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Concept explainers
(a)
Interpretation:
The informational strand of DNA that correspond to the given DNA template strand should be written.
Concept Introduction:
Conversion of genetic information in DNA into mRNA is called transcription. DNA is in double helix form and in order to proceed transcription, DNA double strand should be separated. Template strand is the strand of DNA used for transcription. Informational strand is the complementary strand of the template strand.
(b)
Interpretation:
mRNA prepared from the given template should be written.
Concept Introduction:
Conversion of genetic information in DNA into mRNA is called transcription. The DNA strand from the DNA double helix which is used for mRNA synthesis is the template strand. Transcription proceeds from 3' end to 5' end. Complementary base pairing determines which
(c)
Interpretation:
The polypeptide prepared from the mRNA transcribed should be determined.
Concept Introduction:
mRNA strand provides code for the synthesis of polypeptide chain with 20 different amino acids. A sequence of three nucleotides which is called a codon codes for a specific amino acid. There are 4 types of nucleotides found in RNA strand which are A, C, G and U. These four nucleotides can be combine in 64 different ways to make codons with three nucleotides. From these, only 61 codes for amino acids. Other three does not correspond to any of the amino acid, so, they are called stop codons.
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Chapter 22 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
- Is the trinucleotide in Problem 22-31 found only in DNA, found only in RNA, or found in both DNA and RNA? Explain the basis for your answer.arrow_forwardDraw the complete structure of the ribonucleotide codon UAC. For what amino acid does this sequence code?arrow_forward3. Which amino acid is selected by the mRNA codon GAA? alanine glutamic acid histidine tyrosinearrow_forward
- The following is a base sequence for an exon portion of a template strand of a DNA molecule: What is the base sequence of the hnRNA strand synthesized from the DNA template strand? What is the base sequence of the mRNA strand synthesized from the hnRNA strand? What codons are present in the mRNA strand produced from the DNA template strand? What tRNA molecule anticodons are needed to interact with the codons present in the mRNA strand produced from the template DNA strand?arrow_forwardThe DNA template strand segment 3TTCAAACCGTAC5 upon transcription and translation produces the amino acid sequence LysPheGlyMet. What is the amino acid sequence produced if a frameshift mutation occurs in which a G base is inserted after the first C in the original DNA sequence?arrow_forwardConsider the following DNA base sequence 3TTAATA5 a. What dipeptide is formed from the transcription and translation of this DNA segment? b. What dipeptide is formed if a DNA point mutation converts ATA to ATG? c. What dipeptide is formed if a DNA point mutation converts ATA to AGA? d. What dipeptide is formed if a DNA point mutation converts TTA to TTT?arrow_forward
- Consider the following mRNA base sequence 5CUUCAG3 a. What dipeptide is coded for by this mRNA? b. What dipeptide is formed if a point mutation converts CUU to CUC? c. What dipeptide is formed if a point mutation converts CAG to AAG? d. What dipeptide is formed if a point mutation converts CUU to CUC and CAG to AAG?arrow_forwardConsider the following mRNA base sequence 5ACCCAC3 a. What dipeptide is coded for by this mRNA? b. What dipeptide is formed if a point mutation converts CAC to AAC? c. What dipeptide is formed if a point mutation converts ACC to ACU? d. What dipeptide is formed if a point mutation converts CAC to AAC and ACC to ACU?arrow_forwardGive an mRNA sequence that will code for the synthesis of angiotensin II. Asp-Arg-Val-Tyr-Ile-His-Pro-Phearrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
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