Exam (elaborations)
SCIN 130/SCIN130 INTRODUCTION TO BIOLOGY (LATEST UPDATE) COMPLETE & ACCURATE
- Course
- SCIN 131
- Institution
- American Military Univesity
SCIN 130/SCIN130 INTRODUCTION TO BIOLOGY (LATEST UPDATE) COMPLETE & ACCURATE
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SCIN 130/SCIN130 INTRODUCTION TO BIOLOGY(LATEST UPDATE) COMPLETE & ACCURATE
Question 1 of 31
3.0 Points
What is the central dogma of genetic information?
•
A. DNA produces proteins directly
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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
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, C. origin
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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
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B. they are parallel, and DNA polymerase can synthesize in either direction
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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
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