Site MapHelpFeedbackChapter Exam
Chapter Exam
(See related pages)

1
The use of information in DNA to direct the production of particular proteins is called _________________.
A)gene expression
B)transcription
C)translation
D)the genetic code
2
The coding portions of most eukaryotic genes are embedded as introns with long sequences of non-coding exons.
A)True
B)False
3
The direct result of transcription is _______________.
A)a duplicate DNA molecule
B)tRNA
C)a protein
D)mRNA
4
The direct result of translation is _______________.
A)a duplicate DNA molecule
B)tRNA
C)a protein
D)mRNA
5
Which of the following is not associated with transcription?
A)rRNA
B)mRNA
C)RNA polymerase
D)DNA
6
Which of the following is not associated with translation?
A)rRNA
B)mRNA
C)tRNA
D)DNA
7
In the process of translation, the amino acids are arranged to form specific proteins because they are attached to _______________.
A)rRNA
B)tRNA
C)mRNA
D)DNA
8
A(n) ______________ is composed of 2 subunits, one nested into the other like a fist in the palm of your hand.
A)RNA polymerase
B)tRNA
C)ribosome
D)all of the above
9
Which of the following functions as the "blueprint" copies of nuclear genes?
A)mRNA
B)tRNA
C)rRNA
D)all of the above
10
During translation, the mRNA molecule _____________________.
A)sits between the tRNA molecule and the large subunit of the ribosome
B)moves between the two subunits of the ribosome
C)brings amino acids from the cytoplasm to the tRNA molecule bound to the ribosome
D)binds amino acids together in the growing polypeptide chain
11
DNA leaves the nucleus __________________.
A)only during transcription
B)during gene expression
C)only during translation
D)never
12
The genetic code is made up of ____________.
A)tRNA anti-codons
B)mRNA codons
C)DNA base sequences
D)All of the above
13
The codon GCU specifies the amino acid alanine.
A)True
B)False
14
____________________ forms hairpin loops due to the hydrogen bonding that forms between its nucleotides with an amino acid attached to it's free -OH end.
A)mRNA
B)rRNA
C)tRNA
D)DNA
15
RNA polymerase binds to a strand of DNA and moves along the strand to make mRNA.
A)True
B)False
16
During transcription, both strands of DNA serve as a template for the synthesis of mRNA.
A)True
B)False
17
Each amino acid is specified by a codon.
A)True
B)False
18
Genes can be turned on by the binding of a repressor.
A)True
B)False
19
After transcription, the mRNA molecule must _________________ before it is translated into a protein molecule.
A)assume the correct three-dimensional sequence
B)adjust to its new environment
C)have its introns removed
D)have its exons removed
E)complex with a tRNA molecule
20
The genetic code is universal.
A)True
B)False





To learn more about the book this website supports, please visit its Information Center.
(c)2010 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


JohnsonOnline Learning Center

Home > Chapter 12 > Chapter Exam