lOMoARcPSD|62982272
The Cell 7e Ch09 Test Bank
system biology (Chung-Ang University)
Scan to open on Studocu
Studocu is not sponsored or endorsed by any college or university
Downloaded by elizabeth moses ()
, lOMoARcPSD|62982272
Test Bank
by Robert McGehee and Brian Storrie
to accompany
The Cell: A Molecular Approach, Seventh Edition
Geoffrey M. Cooper and Robert E. Hausman
Chapter 9: Protein Synthesis, Processing, and Regulation
TEST FILE QUESTIONS
Multiple Choice
1. Aminoacyl tRNA synthetases are enzymes that
a. synthesize transfer RNAs.
b. attach amino acids to specific transfer RNAs.
c. connect amino acids while they are held in place on ribosomes by transfer RNAs.
d. attach the terminal CCA sequence to transfer RNAs.
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
2. E. coli contains about _______ different tRNAs that code for _______ different amino
acids.
a. 62; 40
b. 62; 20
c. 50; 20
d. 40; 20
Answer: d
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
3. The capacity for some tRNAs to recognize more than one codon in mRNA is explained
by a phenomenon called
a. redundancy.
b. wobble.
c. a reading frameshift.
d. degeneracy.
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
4. Translation always occurs on which of the following structures?
a. Ribosomes
b. Endoplasmic reticulum
c. Nuclear envelope
© 2016 Sinauer Associates, Inc.
Downloaded by elizabeth moses ()
, lOMoARcPSD|62982272
d. Mitochondria
Answer: a
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
5. The combined sizes of prokaryotic and eukaryotic ribosomes are
a. the same.
b. 30S and 50S, respectively.
c. 40S and 60S, respectively.
d. 70S and 80S, respectively.
Answer: d
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
6. Which of the following statements is true and provides evidence that a certain
component of the ribosome catalyzes protein synthesis?
a. Ribosomes are inactive after protease digestion.
b. Ribosomes are inactive after RNase digestion.
c. Structural analysis shows that proteins occupy the catalytic site where peptide bonds
are formed.
d. Structural analysis shows that mRNA occupies the catalytic site where peptide bonds
are formed.
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 2. Understanding
7. The formation of peptide bonds is catalyzed by which portion of the bacterial
ribosome?
a. Proteins of the small subunit
b. 16S rRNA
c. Proteins of the large subunit
d. 23S rRNA
Answer: d
Textbook Reference: Translation of mRNA
Bloom’s Category: 2. Understanding
8. In translation, mRNAs are read in the _______ direction, and polypeptide chains are
synthesized from the _______ends.
a. 5ʹ to 3ʹ; carboxyl to the amino
b. 5ʹ to 3ʹ; amino to the carboxyl
c. 3ʹ to 5ʹ; carboxyl to the amino
d. 3ʹ to 5ʹ; amino to the carboxyl
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
© 2016 Sinauer Associates, Inc.
Downloaded by elizabeth moses ()
The Cell 7e Ch09 Test Bank
system biology (Chung-Ang University)
Scan to open on Studocu
Studocu is not sponsored or endorsed by any college or university
Downloaded by elizabeth moses ()
, lOMoARcPSD|62982272
Test Bank
by Robert McGehee and Brian Storrie
to accompany
The Cell: A Molecular Approach, Seventh Edition
Geoffrey M. Cooper and Robert E. Hausman
Chapter 9: Protein Synthesis, Processing, and Regulation
TEST FILE QUESTIONS
Multiple Choice
1. Aminoacyl tRNA synthetases are enzymes that
a. synthesize transfer RNAs.
b. attach amino acids to specific transfer RNAs.
c. connect amino acids while they are held in place on ribosomes by transfer RNAs.
d. attach the terminal CCA sequence to transfer RNAs.
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
2. E. coli contains about _______ different tRNAs that code for _______ different amino
acids.
a. 62; 40
b. 62; 20
c. 50; 20
d. 40; 20
Answer: d
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
3. The capacity for some tRNAs to recognize more than one codon in mRNA is explained
by a phenomenon called
a. redundancy.
b. wobble.
c. a reading frameshift.
d. degeneracy.
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
4. Translation always occurs on which of the following structures?
a. Ribosomes
b. Endoplasmic reticulum
c. Nuclear envelope
© 2016 Sinauer Associates, Inc.
Downloaded by elizabeth moses ()
, lOMoARcPSD|62982272
d. Mitochondria
Answer: a
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
5. The combined sizes of prokaryotic and eukaryotic ribosomes are
a. the same.
b. 30S and 50S, respectively.
c. 40S and 60S, respectively.
d. 70S and 80S, respectively.
Answer: d
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
6. Which of the following statements is true and provides evidence that a certain
component of the ribosome catalyzes protein synthesis?
a. Ribosomes are inactive after protease digestion.
b. Ribosomes are inactive after RNase digestion.
c. Structural analysis shows that proteins occupy the catalytic site where peptide bonds
are formed.
d. Structural analysis shows that mRNA occupies the catalytic site where peptide bonds
are formed.
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 2. Understanding
7. The formation of peptide bonds is catalyzed by which portion of the bacterial
ribosome?
a. Proteins of the small subunit
b. 16S rRNA
c. Proteins of the large subunit
d. 23S rRNA
Answer: d
Textbook Reference: Translation of mRNA
Bloom’s Category: 2. Understanding
8. In translation, mRNAs are read in the _______ direction, and polypeptide chains are
synthesized from the _______ends.
a. 5ʹ to 3ʹ; carboxyl to the amino
b. 5ʹ to 3ʹ; amino to the carboxyl
c. 3ʹ to 5ʹ; carboxyl to the amino
d. 3ʹ to 5ʹ; amino to the carboxyl
Answer: b
Textbook Reference: Translation of mRNA
Bloom’s Category: 1. Remembering
© 2016 Sinauer Associates, Inc.
Downloaded by elizabeth moses ()
