Campbell Biology In Focus
2nd Edition
ISBN: 9780134203072
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 3TYU
The anticodon of a particular tRNA molecule is
- A. complementary to the corresponding mRNA codon.
- B. complementary to the corresponding triplet in rRNA.
- C. the part of tRNA that bonds with a specific amino acid.
- D. catalytic, making the tRNA a ribozyme.
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Which 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 above
Which of the following is true about tRNA?
Select one:
A.
All tRNAs have a CCA sequence at the 3'-end.
B.
All tRNAs have a CCG sequence at the 5'-end.
C.
All tRNAs have a CAC sequence at the 3'-end.
D.
All tRNAs have a CCA sequence at the 5'-end.
E.
All tRNAs have a CCG sequence at the 3'-end.
The 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.
Chapter 14 Solutions
Campbell Biology In Focus
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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- During translation, the codon in mRNA is actually “read” by a. the A site in the ribosome. b. the P site in the ribosome. c. the anticodon in a tRNA. d. the anticodon in an amino acid.arrow_forwardA particular tRNA is mutated so that the amino acid attachment cannot bind with the aminoacyl-tRNA synthase. What happens when an mRNA transcript contains the codon for this TRNA? O A. The tRNA will not bind to this codon. O B. Translation stops and the protein is released. O Č. The wrong tRNA is added to the protein chain. D. Translation stops and the protein remains bound to the ribosome. vered MacBook Air 80 F3 D00 D00 F4 F2 F5 % & 23arrow_forwardThe enzyme Aminoacyl tRNA synthetase a. is very specific, recognizes only amino acids b. adds amino acids to the tRNA anticodon c. is very specific, there is only one enzyme per cell d. is very specific, recognizes only one amino acidarrow_forward
- The “A” site in the ribosome refers to the: A. binding site for charged t-RNA molecules during protein synthesis B. Site that allows for tRNAs to exit C. a site that holds the tRNA which is linked to the growing polypeptide chain D. none of these answeresarrow_forwardWhich of the following nucleotide triplets best represents a codon? A. A triplet in the middle of a ribosomal RNA molecule B. A triplet separated spatially from other triplets C. A triplet in the same reading frame as an upstream AUG D. A triplet at the opposite end of tRNA from the attachment site of the amino acid E. A sequence in tRNA at the 3’ endarrow_forwardThe tRNA is the site on the tRNA molecule that is complementary to a given codon found in the mRNA. This allows the tRNA to bind to the mRNA and deposit its amino acid. O a. Active site b. Aminase O O d. Anticodon O c. Peptide site e. None of the abovearrow_forward
- Which of the following describes the interactions between a codon and an anticodon? A. A codon and an anticodon become covalently bonded together due to the activity of the ribosome. B. A codon and anticodon do not come into direct contact because codons are in the nucleus but anticodons are in the cytoplasm. C. A codon and anticodon are attracted to each other due to hydrogen bonding. D. A codon and an anticodon are linked together by an amino acid. ..arrow_forwardFor 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_forwardOnce a peptide bond has been formed between the amino acid attached to the TRNA in the P site and the amino acid associated with the TRNA in the A site, what process occurs next? a. translocation of the ribosome along the mRNA b. binding of a new tRNA in the E site C. scanning for the start codon d. release of the peptide from the TRNAarrow_forward
- I'm a tRNA that is found in the E site of a ribosome. From this, you KNOW a. I'm participating in the formation of peptide bonds b. I'm going to go through the P site next and lengthen the chain c. I have no amino acid and have already passed through the A and P sites d. I'm going to cause the ribosome to dissociatearrow_forwardThe anticodon a. is present in the tRNA and complementary to the codon in mRNA b. is present in the mRNA and binds to the codon c. is present in the tRNA and complementary to the amino acid d. is responsible for charging the tRNAarrow_forwardWhich of the following best describes tRNA? a. Provides the instructions for the amino acid sequence of a polypeptide b. Complexes with ribosomal proteins to form ribosomes c. Used for eukaryotic RNA processing d. Transports amino acids to ribosomes during translationarrow_forward
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