Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 9, Problem 8SQ
Summary Introduction
Introduction: The genetic information of DNA is based in the
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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
Once translated into proteins:
(a) How many nucleotides are there?
(b) How many codons are there?
(c) How many amino acids?
Most codons specify a(n)____ . a. protein c. amino acid b. polypeptide d. mRNA
Chapter 9 Solutions
Biology: The Unity and Diversity of Life
Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - A chromosome contains many different genes that...Ch. 9 - A binding .site for RNA polymerase is called a ___...Ch. 9 - In cells, most RNA molecules are ___ ; most DNA...Ch. 9 - Prob. 4SQCh. 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. 8SQCh. 9 - Prob. 9SQCh. 9 - Anticodons pair with ___ . a. mRNA codons b. DNA...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 - Can you .spell your name (or someone else's) using...Ch. 9 - Bacteria use the.same stop codons as eukaryotes....
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- _______ are removed from new mRNAs. a. Introns c. Poly-A tails b. Exons d. Amino acidsarrow_forwardIf an mRNA codon reads UAC, its complementary anticodon will bea. TUC.b. ATG.c. AUG.d. CAGarrow_forwardWhich of these features is found in eukaryotes but not bacteria?a. polygene mRNAs b. introns c. stop codon d. AUG codonarrow_forward
- 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 apartarrow_forwardUse this genetic code table for some of the questions ahead. You do not need to memorize the code, except for the start codon (AUG = Met) and the stop codons (UAA, UAG, UGA). Which of the following statements about the genetic code is correct? A) All codons specify more than one amino acid. B) The genetic code is redundant. C) All amino acids are specified by more than one codon. D) All codons specify an amino acid.arrow_forward3’ G G A U A C G U C A C C G G U A U A A G G U U U C G U A U C G 5’ If the RNA synthesized above is a functional mRNA and all the nucleotides belong to an exon, a. how many codons are present in this mRNA? b. how many codons actually code for a protein in this mRNA? c. what stop codon is present in this mRNA?arrow_forward
- A codon is supposed to be 5'-UGG-3', but a mutation causes it be 5'-UAG-3'. Which one of the following descriptions of this mutation is incorrect? a. Missense b. Point mutation c. Transition d. Nonsensearrow_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_forwardLook at Table 26.3 and find codons for the following amino acids:(a) Val (b) Arg (c) Serarrow_forward
- An amino acid sequence reads:N—Met-Gln-Leu-Arg-Cys—C Write out one possible mRNA sequences with a stop codon.arrow_forwardWhich 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_forward_______is/are removed from a new mRNA. a. Introns c. A poly-A tail b. Exons d. Amino acidsarrow_forward
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