Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 21, Problem 6SQ
Summary Introduction
Introduction: Anticodons are a set of 3
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Use your genetic code (codon) table to answer the next two questions:
What type of mutation would result if the sequence of a gene were altered so that the sequence of the mRNA was changed from:
AUGCCGUGCAGUAAC to AUGCCAUGCAGUAAC
A) a silent mutation
B) a nonsense mutation
C) a frame-shift mutation
D) a missense mutation
E) a base insertion mutation
The wobble position of codons occurs
A. before the 2nd base
B. after the ribosome initiates a stop codon
C. at the 3rd base
D. when the ribosome falls apart
Once translated into proteins:
(a) How many nucleotides are there?
(b) How many codons are there?
(c) How many amino acids?
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Energy that drives translation is provided mainly by ______ . a. ATP c. GTP b. amino acids d. ribosomesarrow_forwardImagine that a mutation in a DNA molecule results in the codon CCU being changed to CCC. Both of these codons code for proline. The fact that more than one codon can code for the same amino acid is referred to as ___ a. the ambiguity of the genetic code b. the redundancy of the genetic code c. the randomness of the genetic code d. mutations in the genetic codearrow_forwardUse your genetic code (codon) table to answer this question: A tRNA has the anticodon GCU. Which amino acid is attached to it? A) alanine B) methionine C) arginine D) threonine E) serinearrow_forward
- Which enzyme links amino acids together? (a) ribozyme (b) peptidyl transferase (c) DNA polymerase I (d) RNA polymerase II (e) amino-acyl tRNA synthetasearrow_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? A. The tRNA will not bind to this codon. B. Translation stops and the protein is released. C The wrong tRNA is added to the protein chain. D. Translation stops and the protein remains bound to the ribosome.arrow_forwardAnticodons pair with_____ . a. mRNA codons c. RNA anticodons b. DNA codons d. amino acidsarrow_forward
- Which statement is true of the translocation phase of elongation during protein synthesis? a. The empty tRNA moves to the A site of the ribosomal complex. b. The empty tRNA moves to the T site of the ribosomal complex. c. The dipeptide moves from the A site to the P site of the ribosomal complex. d. The dipeptide moves from the P site to the A site of the ribosomal complex.arrow_forward_______ are removed from new mRNAs. a. Introns c. Poly-A tails b. Exons d. Amino acidsarrow_forwardWhich statement BEST DESCRIBES the genetic code? A. There can only be one codon for multiple amino acids. B. There are only 10 different amino acids in proteins. C. More than one codon for a specific amino acid. D. The genetic is misinterpreted to have U instead of T.arrow_forward
- Define the following terms: a. wobble hypothesis b. aminoacyl-tRNA synthetase c. tRNA d. AUG sequence e. synonymous codonarrow_forwardWhat is the role of transcription in the determination of the amino acid sequence of a polypeptide chain? A. It pairs anticodons and codons. B. It synthesizes an mRNA strand. C. It duplicates the information in DNA. D. It decodes the information from mRNA.arrow_forwardHow do we call the type of point mutation in which an A->U change occurs in the codon for the sixth amino acid in hemoglobin chain b? a) Inversion b) Transversion c) Transition d) Transaminationarrow_forward
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