Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 17, Problem 44FB
Summary Introduction
To review:
The given blank space in the statement, “A ______ is a point mutation that converts a codon for an amino acid to a premature stop signal.”
Introduction:
A mutation is referred to as any type of change in the genome of an organism. It can be spontaneous or induced in nature. Any mutation in the genome can lead to various kinds of genetic disorders. A point mutation is a type of mutation in which the mutation occurs at the single basepair of the deoxyribonucleic acid (DNA). The different types of point mutations arenonsense mutation, missense mutation, andsilent mutation
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Chapter 17 Solutions
Biochemistry: The Molecular Basis of Life
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- Suppose the codon sequence GUGCAAUUCGAGGCC has a single base pair mutation to GUGCAAUUCAAGGCC. If the old protein sequence was Val-Gln-Phe-Glu-Ala, what will be the new sequence encoded by the mutant gene? ____________________________.arrow_forwardAny mutation inside or outside a coding regionthat reduces or abolishes protein activity in one of the manyways previously described is a loss-of-function _______?arrow_forwardThis question refers to the mRNA sequence below: 5-A ACGAAUAUGUUAAUCGUAGCCACCUGGUUCAGCUAAGGUGA-3" As this mRNA is translated, the fifth codon is Fill in the blank with the correct codon without any spaces, and nothing else so that Moodle can grade this question correctly.arrow_forward
- Some aminoacyl-tRNA molecules bind to more than one codon because there is some play or wobble in the ____________ of the codon. Question 18 options: first base second base third base first and third bases none of the abovearrow_forwardTHE CODONS THAT CODE FOR THE AMIMO ACID SER (SERINE) ARE UCU, UCC,_____ AND _____arrow_forwardIf a codon GCA codes for the amino acid alanine in a prokaryote, what will it code for in a eukaryote? _____arrow_forward
- The genetic code is redundant (i.e., most amino acids are coded for by more than one codon). Why is this beneficial when it comes to errors in DNA replication or transcription?arrow_forwardThere are ___ codons that specify the amino acid Valine, demonstrating the genetic code is ___arrow_forwardA genetic code in which two bases encode a single amino acid is not adequate for protein synthesis. Give a reason why.arrow_forward
- Dystrophin is mutated in the disease, causing a codon to change from GGA to UGA. What is the consequence of this change? (arrow_forwardA point mutation that changes a codon specifying an amino acid into a stop codon is called aarrow_forwardThis question refers to the mRNA sequence below: 5'-AGCUGAUGGGCUGGUGCCG AGAAAGUUAGGUAA-3' What is the name of the sixth amino acid in the protein formed from this MRNA? Fill in the blank with the correct amino acid name, but nothing else so that Moodle can grade this question correctly.arrow_forward
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