Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 14, Problem 2TYU
Summary Introduction
Introduction:
The genetic information can be stored in the form of DNA (deoxyribonucleic acid) in the living cells. The DNA can self-replicate and can be transmitted from parents to offspring. The process, in which DNA is converted into RNA (ribonucleic acid), is called transcription and translation is the process of synthesis of proteins by RNA.
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Students have asked these similar questions
Which of the following statements are accurate descriptions of the genetic code? MARK ALL THAT APPLY
Select one or more:
a. The genetic code is made up of triplet nucleotides that specify an amino acid.
b. The genetic code is unambiguous because codons only specific a single amino acid.
C. The genetic code is read in an overlapping manner.
d. The genetic code is redundant because a single codon can specify more than one amino acid.
e. Some amino acids are encoded by more than one codon.
f. All codons of the genetic code specify amino acids.
Degeneracy of the genetic code denotes the existence of which of the
following?
A. codons that can wobble at the 5' position
B. multiple codons for a single amino acid
C. codons consisting of only two bases
D. base triplets that do not code for any amino acid
E. codons that are not overlapping
Which of the following statements about codons in prokaryotic cells and eukaryotic cells is correct?
A.
Prokaryotic codons are longer than eukaryotic codons.
B.
Eukaryotic codons are made of DNA, and prokaryotic codons are made of RNA.
C.
Prokaryotes do not have mRNA, so there are no codons.
D.
Codons are very similar, no matter whether the cell is prokaryotic or eukaryotic.
Chapter 14 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
Ch. 14.1 - MAKE CONNECTIONS In a research article about...Ch. 14.1 - What polypeptide product would you expect from a...Ch. 14.1 - DRAW IT The template strand of a gene contains the...Ch. 14.2 - What is a promoter? Is it located at the upstream...Ch. 14.2 - What enables RNA polymerase to start transcribing...Ch. 14.2 - WHAT IF? Suppose X-rays caused a sequence change...Ch. 14.3 - Given that there are about 20,000 human genes, how...Ch. 14.3 - How is RNA splicing similar to how you would watch...Ch. 14.3 - WHAT IF? What would be the effect of treating...Ch. 14.4 - What two processes ensure that the correct amino...
Ch. 14.4 - Discuss the ways in which rRNA structure likely...Ch. 14.4 - Describe how a polypeptide to be secreted is...Ch. 14.4 - WHAT IF? DRAW IT Draw a tRNA with the anticodon...Ch. 14.5 - What happens when one nucleotide pair is lost from...Ch. 14.5 - Prob. 2CCCh. 14.5 - WHAT IF? DRAW IT The template strand of a gene...Ch. 14 - In eukaryotic cells, transcription cannot begin...Ch. 14 - Prob. 2TYUCh. 14 - The anticodon of a particular tRNA molecule is A....Ch. 14 - Prob. 4TYUCh. 14 - Which component is not directly involved in...Ch. 14 - Prob. 6TYUCh. 14 - Prob. 7TYUCh. 14 - Prob. 8TYUCh. 14 - Fill in the following table: Type of RNA Functions...Ch. 14 - SCIENTIFIC INQUIRY Knowing that the genetic code...Ch. 14 - Prob. 11TYUCh. 14 - FOCUS ON INFORMATION Evolution accounts for the...Ch. 14 - SYNTHESIZE YOUR KNOWLEDGE Some mutations result in...
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- For each of the following, identify the type of RNA involved (mRNA, rRNA, or tRNA). a. Transports the correct amino acid to the ribosome, using the information encoded in the mRNA. b. Is a major component of ribosomes. c. Specifies the order of amino acids in a protein, using a series of three-base codons, where different amino acids are specified by particular codons. d. Contains a three-base anticodon that pairs with a complementary codon revealed in the mRNA. e. Assists in making the bonds that link amino acids together to make a protein.arrow_forwardWhich of the following most accurately describes the anticodon? A. Contains a sequence complementary to the codon. B. Reintroduces thymine back into the sequence and removes uracil. C. Contains the sequence in the reverse orientation (3-5 vs 5-3). D. Contains a sequence identical to the codon.arrow_forwardWhich of the following regions on the tRNA are composed of a sequence of nucleotides? a. anticodon that binds to codon in mRNA b. anticodon that binds to codon in ribosomes c. anticodon that binds to codon in tRNA synthetase d. none of the abovearrow_forward
- Which of the following is a characteristic of the genetic code? a. codons and anticodons consist of three bases b. each amino acid is represented by at least one codon c. one or more codons serve to indicate when protein synthesis is to stop d. no individual codons represent more than one amino acid e. More than one response is correctarrow_forwardA codon is: a. An alternative name for gene b. Three amino acids that encode a nucleotide c. Three nucleotides that encode an amino acid d. One of three nucleotides that encode and amino acidarrow_forwardThe aminoacyl-tRNA synthetase enzymes are responsible for: O A. matching each tRNA with the appropriate mRNA codon. O B. catalyzing the enzymatic step of peptide bond formation during translation. O C. synthesizing tRNA molecules in the nucleus from tRNA genes. O D. adding amino acids to appropriate tRNAS (charging the tRNA). O E. regulating the process of amino acid synthesis.arrow_forward
- Which of the following statements are NOT true? A. Replication is the process of making DNA and takes place in the nucleus of prokaryotic cells. B. Translation produces a polypeptide that may require additional processing to become a functional protein C. Transcription starts at the promoter of eukaryotic cells and scans until reaches the start codon. D. Splicing results in exons being put together and introns being removedarrow_forwardThe codon and anticodon are base-paired together during the process of translation. Which of the following is correct regarding the relationship between anticodon and codon? A. The tRNA anticodon UCU pairs with the AGA mRNA codon. B. The tRNA anticodon is read from the 5’ to the 3’ end. C. A tRNA anticodon can pair with only one mRNA codon. D. The mRNA codon ACG base pairs with the tRNA anticodon TGC.arrow_forwardThe degeneracy of the Genetic code is due to A. a 1 to 1 correlation between single amino acids and single nucleotides B. The fact that tRNAs can bind to mRNAs at the same time they transfer amino acids to a growing polypeptide chain C. The fact that there is only one start codon D. The fact that the code is non-overlapping E. The fact that more than one codon specifying an amino acid F. None of the abovearrow_forward
- Which of the following steps in protein synthesis does not require a direct supply of energy? a. proofreading step by certain aminoacyl-tRNA synthetases b. translocation of mRNA in a ribosome c. linkage of an amino acid to its cognate tRNA d. alignment of a tRNA anticodon with an mRNA codonarrow_forwardWhich of the following is true about the genetic code? A. A codon is three to six bases long. B. Each amino acid is specified by only one codon. C. The codon signaling the end of transcription also codes for an amino acid. D. There are multple codons signaling the start of transcription. E. All organisms use essentially the same genetic code.arrow_forwardWhich of the following statements about the genetic code are true and which are false? Correct each false statement. A.Each codon is composed of four bases. B.Some amino acids are represented by more than one carbon. C.All codons represent an amino acid. D.Each living species is thought to have its own unique genetic E.The codon AUG at the beginning of a sequence is a signal for protein synthesis to begin at that codon. F.It is not known if the code contains stop signals for protein synthesis.arrow_forward
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