Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 13, Problem 11CONQ
Describe the anticodon of a single tRNA that could recognize the codons 5′–AAC–3′ and 5′–AAU–3′. What type(s) of base modification to this tRNA would allow it to also recognize 5′–AAA–3′?
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Is this diagram of tRNA technically incorrect? Shouldn't it be 3' on the left and 5' on the right for the tRNA such that the 5' to 3' codon can match with the antiparallel 3' to 5' anticodon?
If a tRNA has an anticodon sequence 5'-CAU-3', What would be an amino acid carried by that tRNA? Phe, Val, His, or Met?
The following triplets constitute anticodons found on a series of tRNAs. Name the amino acid carried by each of these tRNAs.
a. 5′ –UUU–3′
b. 5′ –GAC–3′
c. 5′ –UUG–3′
d. 5′ –CAG–3′
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 wobble pairing rule states that a 'U' in teh anticodon wobble position can pair with 'A' or 'G', whereas a 'C' in the wobble position of the anticodon can only pair with 'G'. what is the anticodon found on the Methionine tRNA?arrow_forwardThe wobble rules for tRNA-mRNA pairing are shown. If we assume that the tRNAs do not containmodified bases, what is the minimum number of tRNAs needed to recognize the codons for the following types of amino acids? A. Leucine B. Methionine C. Serinearrow_forwardList all possible codons present in a ribonucleotide polymer containing U and G in random sequence. Which amino acids are encoded by this RNA?arrow_forward
- For the m-RNA nucleotide codons given below, what is the corresponding sequence of amino acids? AUG UGU AUA UAU GUA AUC ACC UUC UAU GUA ACA UUU UGG AAC AGC UGC CAU GUA UAC CAG AAA CUU GCA GAG CUG GCU UUG AUA UGA The α-helices are known to contain primarily the amino acids methionine, alanine, leucine, glutamate, and lysine, while β-pleated sheets are known to primarily contain the amino acids tryptophan, tyrosine, phenylalanine, isoleucine, valine, and threonine. Which one of these two types of secondary protein structure is present with this amino acid sequence?arrow_forwardIf an anticodon of certain tRNA is 3'-UAC-5', which amino acid will be brought by this tRNA?arrow_forwardWhich amino acid is carried by the tRNA with the anticodon 5'-UCA-3'?arrow_forward
- Give the anti-codon of this Trna?arrow_forwardDescribe how the base pairing between the Shine–Dalgarno sequence and the 30S subunit provides a mechanism for distinguishing a start codon from a methionine codon. What is the eukaryotic version of this mechanism?arrow_forwardIf a tRNA molecule carries a glutamic acid, what are the two possible anticodon sequences that it could contain? Be specific about the 5′ and 3′ ends.arrow_forward
- What are the rules that govern the recognition of a codon by the anticodon of a tRNA?arrow_forwardConsider the tryptophan codon 5′ - UGG - 3′ in the standard genetic code . Can a single base change in this codon create a synonymous mutation? Can a single base change in this codon create a nonsense codon?arrow_forwardA glycine residue is in position 210 of the tryptophan synthetase enzyme of wild-type E. coli. If the codon specifying glycine is GGA, how many single-base substitutions will result in an amino acid substitution at position 210? What are they? How many will result if the wild-type codon is GGU?arrow_forward
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