WORLD OF CELL+MASTERING ACCESS >CUSTOM
9th Edition
ISBN: 9781323445044
Author: Hardin
Publisher: PEARSON C
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Chapter 19, Problem 19.2PS
Tracking a Series of Mutations. The following diagram shows the amino acids that result from mutations in the codon for a particular amino acid in a bacterial polypeptide:
(19-2)
Assume that each arrow denotes a single base-pair substitution in the bacterial DNA.
- (a) Referring to the genetic code table in Figure 18-10, determine the most likely codons for each of the amino acids and the stop signal in the diagram.
- (b) Starting with a population of mutant cells carrying the nonsense mutation, another mutant is isolated in which the premature stop signal is suppressed. Assuming wobble does not occur and assuming a single base change in the tRNA anticodon, what are all the possible amino acids that might be found in this mutant at the amino acid position in question?
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Chapter 19 Solutions
WORLD OF CELL+MASTERING ACCESS >CUSTOM
Ch. 19 - Suppose a tRNA has the anticodon 3-CGU-5. What two...Ch. 19 - Kanamycin is an antibiotic that binds to bacterial...Ch. 19 - You are working in a lab to identify new alleles...Ch. 19 - Suppose you are using GFP fusion proteins to study...Ch. 19 - Enzymes can undergo allosteric regulation or...Ch. 19 - Suppose you use molecular biology techniques to...Ch. 19 - Prob. 19.1PSCh. 19 - Tracking a Series of Mutations. The following...Ch. 19 - Prob. 19.3PSCh. 19 - Prob. 19.4PS
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