Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 13.6, Problem 3COMQ
During the peptidyl transfer reaction, the polypeptide, which is attached to a tRNA in the _______, becomes bound via _______to an amino acid attached to a tRNA in the _______.
a. A site, several hydrogen bonds, P site
b. A site, a peptide bond, P site
c. P site, a peptide bond, A site
d. P site, several hydrogen bonds, A site
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During the peptidyl transfer reaction, the polypeptide, which is attached to a tRNA in the __________ becomes bound via ________ to an amino acid attached to a tRNA in the __________.a. A site, several hydrogen bonds, P siteb. A site, a peptide bond, P sitec. P site, a peptide bond, A sited. P site, several hydrogen bonds, A site
What site on the ribosome is the place where a tRNA molecule leaves the ribosome after attaching its amino acid to the growing chain of amino acids?
a. E site
b. P site
c. A site
d. the small ribosomal subunit
Please respond as soon as possible
The primary function of a tRNA is to carry amino acids on its ____________ site to a ribosome complex with the help of ____________
Select one:
a. 5’ acceptor, endonuclease
b. 5’ acceptor, polymerase
c. 3’ acceptor, topoisomerase
d. 3’ acceptor, amino-acyl synthetase
Chapter 13 Solutions
Genetics: Analysis and Principles
Ch. 13.1 - Prob. 1COMQCh. 13.1 - 2. The reason why Beadle and Tatum observed four...Ch. 13.2 - What is the genetic code? a. The relationship...Ch. 13.2 - Prob. 2COMQCh. 13.2 - The fourth codon in an mRNA sequence is GGG, which...Ch. 13.2 - Prob. 4COMQCh. 13.3 - Prob. 2COMQCh. 13.4 - Prob. 1COMQCh. 13.4 - 2. The anticodon of a tRNA is located in the
a....Ch. 13.4 - An enzyme known as _______attaches an amino acid...
Ch. 13.5 - Each ribosomal subunit is composed of a. multiple...Ch. 13.5 - Prob. 2COMQCh. 13.6 - 1. During the initiation stage of translation in...Ch. 13.6 - The Kozak rules determine a. the choice of the...Ch. 13.6 - During the peptidyl transfer reaction, the...Ch. 13.6 - A release factor is referred to as a molecular...Ch. 13 - Prob. 1CONQCh. 13 - What does it mean when we say that the genetic...Ch. 13 - According to the adaptor hypothesis, is each of...Ch. 13 - Prob. 4CONQCh. 13 - Prob. 5CONQCh. 13 - 6. The wobble rules for tRNA-mRNA pairing are...Ch. 13 - Prob. 7CONQCh. 13 - Prob. 8CONQCh. 13 - Prob. 9CONQCh. 13 - If a tRNA has an anticodon sequence 3CCI5, what...Ch. 13 - Describe the anticodon of a single tRNA that could...Ch. 13 - Prob. 12CONQCh. 13 - Prob. 13CONQCh. 13 - 14. What is the role of aminoacyl-tRNA synthetase?...Ch. 13 - Prob. 15CONQCh. 13 - 16. Discuss the significance of modified bases...Ch. 13 - How and when does formylmethionine become attached...Ch. 13 - Prob. 18CONQCh. 13 - Prob. 19CONQCh. 13 - Prob. 20CONQCh. 13 - The term subunit can be used in a variety of ways....Ch. 13 - 22. Do the following events during bacterial...Ch. 13 - 23. What are the three stages of translation?...Ch. 13 - Prob. 24CONQCh. 13 - 25. For each of the following initiation factors,...Ch. 13 - Prob. 26CONQCh. 13 - 27. For each of the following sequences, rank them...Ch. 13 - Prob. 28CONQCh. 13 - Prob. 29CONQCh. 13 - Prob. 30CONQCh. 13 - Prob. 31CONQCh. 13 - In which of the ribosomal sites, the A site, P...Ch. 13 - Prob. 33CONQCh. 13 - Prob. 34CONQCh. 13 - Prob. 35CONQCh. 13 - Prob. 36CONQCh. 13 - Prob. 37CONQCh. 13 - 1. In the experiment of Figure 13.7, what would be...Ch. 13 - 2. Polypeptides can be translated in vitro. Would...Ch. 13 - Discuss how the elucidation of the structure of...Ch. 13 - Describe the structure of a polysome, which is...Ch. 13 - Prob. 5EQCh. 13 - 6. The technique of Western blotting is described...Ch. 13 - The protein known as tyrosinase is needed to make...Ch. 13 - Prob. 8EQCh. 13 - Discuss why you think the ribosomes need to...Ch. 13 - 2. Discuss and make a list of the similarities...Ch. 13 - 3. Which events during translation involve...
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- The tRNA binding site on the ribosome is called Select one: a. E site b. P site c. E P A site d. A sitearrow_forwardThe peptide bond formation a. occurs when two tRNAs are located inside the P and A site in the ribosome b. occurs when the anticodon recognizes the codon c. occurs when two tRNAs come in close proximity in the cell d. occurs with the help of the tRNAase enzymearrow_forwardThe E site on the ribosome is a. the site which holds the TRNA carrying the growing polypeptide chain b. the site from which the developed polypeptide chain leaves the ribosomes c. the site from which the empty tRNA leaves the ribosome d. none of the options is correct e. the site which holds the TRNA carrying the next amino acid to be added to the polypeptide chainarrow_forward
- Which of the following is not involved in the elongation of prokaryotic peptide? a. EE-Tus, EE-Ts, EF-G factors b. mRNA c. peptidyl transferase d. formyl met tRNAarrow_forwardChoose the answer that has these events of protein synthesis in the proper sequence. 1. A TRNA binds to the A site. 2. A peptide bond forms between the new amino acid and the growing polypeptide chain. 3. TRNA vacates E site as the next tRNA binds to the A site. 4. Both ribosomal subunits have bound, and the first TRNA is in the P site. 5. TRNA translocates to the P site, as upstream tRNA translocates to E site. O 4, 1, 3, 2, 5 ) 1, 3, 2, 4, 5 4, 1, 2, 5, 3 2, 4, 5, 1, 3 5, 4, 3, 2, 1arrow_forwardIn which site(s) of the ribosome could you find a tRNA with more than one amino acid bound (a peptidyl- TRNA)? a. In both the E- and P-sites. b. In both the A- and P-sites. С. Only in the A-site. d. Only in the P-site. e. Only in the E-site.arrow_forward
- The "charging" of tRNA requires which of the following? Select all that apply. Select one or more: O a. ATP O b. Aminoacyl tRNA synthetase Oc. TRNA lacking an amino acid Od. aminoacyl tRNAarrow_forwardAn enzyme known as ___________________ attaches an amino acid to the_________________ of a tRNA, thereby producing_______________ . a. aminoacyl-tRNA synthetase, anticodon, a charged tRNA b. aminoacyl-tRNA synthetase, 3′ single-stranded region of the acceptor stem, a charged tRNA c. polynucleotide phosphorylase, anticodon, a charged tRNA d. polynucleotide phosphorylase, anticodon, an aminoacyl-tRNAarrow_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
- A 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_forwardA small section of bacterial enzyme has the amino acid sequence arginine, threonine, alanine, and isoleucine.The tRNA anticodons for the amino acid sequence shown above is a. GCA UGC CGA UAC b. GCC UGA CGU UAG c. CGA AGA GCC AUA d. GCG UGG CCC UAAarrow_forwardA portion of an unknown enzyme has the amino acid sequence serine phenylalanine - glutamate - lysine. The DNA code for the amino acid sequence of this unknown enzyme is a. UCG AAA CỤC UUU b. AGC AAG CTC TTC C. AGA AAA CAA ATA d. AGT AAG GTT TTCarrow_forward
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