The possible codon sequence for Val amino acid has to be predicted. Concept Introduction: RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis. Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three- nucleotide sequence that is a stop codon and stops translation. Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis. Illustrated relationships are: DNA informational strand : 5’ ATG CCA GTA GGC CAC TTG TCA 3’ DNA Template strand : 3’ TAC GGT CAT CCG GTG AAC AGT 5’ m RNA: 5’ AUG CCA GUA GGC CAC UUG UCA 3’ protein: Met Pro Val Gly His Leu Ser Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

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Answer 1

Question

Chapter 26, Problem 26.58AP

a)

Interpretation Introduction

Interpretation:

The possible codon sequence for Val amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

b)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Arg’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

c)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Ser’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

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Students have asked these similar questions

If there are 64 codons, how can there be fewer than 64 tRNA molecules?

A group of 3 nucleotides codes for one amino acid. How many codons are needed to make the polypeptide that results?

Look at Table 26.3 and find codons for the following amino acids:(a) Val (b) Arg (c) Ser

Answer 2

Question

Chapter 26, Problem 26.58AP

a)

Interpretation Introduction

Interpretation:

The possible codon sequence for Val amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

b)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Arg’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

c)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Ser’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

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Answer 3

Question

Chapter 26, Problem 26.58AP

a)

Interpretation Introduction

Interpretation:

The possible codon sequence for Val amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

b)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Arg’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

c)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Ser’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

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Answer 4

Question

Chapter 26, Problem 26.58AP

a)

Interpretation Introduction

Interpretation:

The possible codon sequence for Val amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

b)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Arg’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

c)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Ser’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

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Check out a sample textbook solution

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Answer 5

Chapter 26, Problem 26.58AP

a)

Interpretation Introduction

Interpretation:

The possible codon sequence for Val amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

b)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Arg’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

c)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Ser’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

Answer 6

Chapter 26, Problem 26.58AP

a)

Interpretation Introduction

Interpretation:

The possible codon sequence for Val amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

Answer 7

Chapter 26, Problem 26.58AP

a)

Interpretation Introduction

Interpretation:

The possible codon sequence for Val amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

Answer 8

b)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Arg’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

Answer 9

b)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Arg’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

Answer 10

c)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Ser’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

Answer 11

c)

Interpretation Introduction

Interpretation:

The possible codon sequence for ‘Ser’ amino acid has to be predicted.

Concept Introduction:

RNA synthesis: The process of RNA synthesis is Transcription. A small section of DNA unwinds, only one of the two strands act as template and the other strand as informational strand. The complementary bases are attached one by one by the action of RNA polymerase at template strand on moving down. The newly generated RNA is the exact copy of the informational strand, with the exception that a U replaces each T in the template DNA. The RNA synthesised carries genetic information and directs protein synthesis.

Codon: A sequence of three ribonucleotides in the mRNA chain that codes for a specific amino acid; also a three-nucleotide sequence that is a stop codon and stops translation.

Genetic code: The sequence of nucleotides, coded in triplets (codons) in mRNA that determines the sequence of amino acids in protein synthesis.

Illustrated relationships are:

**DNA informational strand: 5’ ATG CCA   GTA GGC CAC   TTG   TCA 3’

DNA Template strand:         3’ TAC GGT   CAT CCG GTG   AAC   AGT 5’

mRNA:                                  5’ AUG CCA GUA GGC CAC UUG   UCA 3’

protein:**                                      Met    Pro     Val    Gly     His    Leu      Ser

Notice: 5’ end of the mRNA strand codes for the N-terminal amino acid, whereas the 3’ end of the mRNA strand codes for the C-terminal amino acid. Proteins are always written N-terminal to C-terminal, reading left to right.

Answer 12

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Answer 15

Ch. 26.2 - Name the nucleoside shown here. Copy the...Ch. 26.2 - Prob. 26.2P Ch. 26.2 - Draw the structure of 2-deoxyadenosine...Ch. 26.2 - Prob. 26.4P Ch. 26.2 - Prob. 26.5P Ch. 26.3 - Prob. 26.6P Ch. 26.3 - Prob. 26.7P Ch. 26.4 - Prob. 26.8P Ch. 26.4 - Draw the structures of adenine and uracil (which...Ch. 26.4 - Prob. 26.10P

Solution Summary: The author explains that the possible codon sequence for Val amino acid has to be predicted.

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