Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 9, Problem 7SQ
Summary Introduction
Introduction: The genetic information of DNA is based in the
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Once translated into proteins:
(a) How many nucleotides are there?
(b) How many codons are there?
(c) How many amino acids?
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
If a codon found in the mRNA sequence Tessa CGA, the tRNA anticodon that would bind to that codon region would read...
A. CGT
b. GCU
c. UCG
d. GCT
Chapter 9 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 9 - A chromosome contains many different genes that...Ch. 9 - A binding .site for RNA polymerase is called a ___...Ch. 9 - An RNA molecule is typically ______; a DNA...Ch. 9 - RNAs form by_____; proteins form by ________. a....Ch. 9 - The main function of a DNA molecule is to ________...Ch. 9 - The main function of an mRNA molecule is to ___ ....Ch. 9 - Prob. 7SQCh. 9 - Prob. 1DAACh. 9 - Prob. 2DAACh. 9 - Prob. 3DAA
Ch. 9 - Prob. 4DAACh. 9 - Prob. 8SQCh. 9 - Anticodons pair with ___ . a. mRNA codons b. DNA...Ch. 9 - Up to ______ amino adds can be encoded by an mRNA...Ch. 9 - Prob. 11SQCh. 9 - Prob. 12SQCh. 9 - Prob. 13SQCh. 9 - Energy that drives translation is provided mainly...Ch. 9 - Match the terms with the best description. __...Ch. 9 - Researchers are designing and testing antisense...Ch. 9 - An anticodon has the sequence GCG. What amino acid...Ch. 9 - Each position of a codon can be occupied by one of...Ch. 9 - Prob. 4CTCh. 9 - Translate the .sequence of bases in the previous...Ch. 9 - Bacteria use the.same stop codons as eukaryotes....
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- Energy that drives translation is provided mainly by ______ . a. ATP c. GTP b. amino acids d. ribosomesarrow_forward_______ are removed from new mRNAs. a. Introns c. Poly-A tails b. Exons d. Amino acidsarrow_forwardA point mutation that changes a codon specifying an amino acid into a stop codon is called aarrow_forward
- Imagine 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_forward_______is/are removed from a new mRNA. a. Introns c. A poly-A tail b. Exons d. Amino acidsarrow_forwardIn the genetic code ______ codons code for amino acids, while _____ are stop codons and do not code for an amino acid.arrow_forward
- Which of the following is not true of a codon?(A) It may code for the same amino acid as another codon.(B) It never codes for more than one amino acid.(C) It extends from one end of a tRNA molecule.(D) It is the basic unit of the genetic code.arrow_forwardIn a DNA molecule, a sugar, phosphate, and nitrogenous base are collectivley referred to as A. DNA B. RNA C. a nucleotide D. a codonarrow_forwardThe AUC and AUA codons in mRNA both specify isoleucine. What feature of the genetic code explains this? a. complementarity b. nonsense codons c. universality d. degeneracyarrow_forward
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