Part 1 of 7 - Chapter 9 27.0 Points
Question 1 of 31
3.0 Points
What is the central dogma of genetic information?
A. DNA produces proteins directly
B. DNA encodes RNA, which in turn encodes protein
C. RNA stores our genome for safety
D. proteins code for DNA and RNA
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Question 2 of 31
3.0 Points
How is it possible that each daughter cell during cell replication receives an identical copy of the
DNA?
A. DNA is replicated following mitosis or meiosis, so is transferred after the new cells
are formed
,
B. DNA is not identical in every cell, so all daughter cells have different copies
C. DNA is replicated individually in each new cell after meiosis and mitosis
D. DNA is replicated during the synthesis phase of the cell cycle, prior to mitosis or
meiosis
Feedback: DNA must be replicated prior to the new cells being created, so each can receive an
exact copy. Read more on DNA replication in Chapter 9
Question 3 of 31
3.0 Points
The steps from DNA to mRNA are initiation, elongation and what?
A. commencement
B. termination
, C. origin
D. template
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Question 4 of 31
3.0 Points
Why does one strand of DNA replicate as a continuous strand, and the other in fragments?
A. they are anti-parallel, and DNA polymerase can synthesize in either direction
B. they are parallel, and DNA polymerase can synthesize in either direction
C. they are anti-parallel, and DNA polymerase can only synthesize from 5’ to 3’
D. they are parallel, and DNA polymerase can synthesize from 5’ to 3’
Feedback: Great job.
Question 5 of 31
3.0 Points
Question 1 of 31
3.0 Points
What is the central dogma of genetic information?
A. DNA produces proteins directly
B. DNA encodes RNA, which in turn encodes protein
C. RNA stores our genome for safety
D. proteins code for DNA and RNA
Feedback: Great job.
Question 2 of 31
3.0 Points
How is it possible that each daughter cell during cell replication receives an identical copy of the
DNA?
A. DNA is replicated following mitosis or meiosis, so is transferred after the new cells
are formed
,
B. DNA is not identical in every cell, so all daughter cells have different copies
C. DNA is replicated individually in each new cell after meiosis and mitosis
D. DNA is replicated during the synthesis phase of the cell cycle, prior to mitosis or
meiosis
Feedback: DNA must be replicated prior to the new cells being created, so each can receive an
exact copy. Read more on DNA replication in Chapter 9
Question 3 of 31
3.0 Points
The steps from DNA to mRNA are initiation, elongation and what?
A. commencement
B. termination
, C. origin
D. template
Feedback: Great job.
Question 4 of 31
3.0 Points
Why does one strand of DNA replicate as a continuous strand, and the other in fragments?
A. they are anti-parallel, and DNA polymerase can synthesize in either direction
B. they are parallel, and DNA polymerase can synthesize in either direction
C. they are anti-parallel, and DNA polymerase can only synthesize from 5’ to 3’
D. they are parallel, and DNA polymerase can synthesize from 5’ to 3’
Feedback: Great job.
Question 5 of 31
3.0 Points
