Compare the amount of DNA at the beginning & at the end of S (synthesis). Any changes to the set of DNA?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Compare the amount of DNA at the beginning & at the end of S (synthesis). Any changes to the set of DNA?
 
A. Because the cell has divided and there is now twice as many chromosomes
 
B. the chromosomes make copies of themselves, so the number doubles
 
C. DNA gets split, so there is 1/2 the amount available
 
D. DNA gets copied, so the cell now contains twice the amount of DNA.
Sets of DNA
present in each cell organelles in each
at end of phase cell at end of phase
Number of
Time Interval
Phase
Кey Process
(hours)
Gap,
11
1
560
Synthesis
8
2
570
Protein and organelle
synthesis
Gap,
4
2
600
Mitosis
Cell and nuclear splitting
1
1
300
Total time:
24
Transcribed Image Text:Sets of DNA present in each cell organelles in each at end of phase cell at end of phase Number of Time Interval Phase Кey Process (hours) Gap, 11 1 560 Synthesis 8 2 570 Protein and organelle synthesis Gap, 4 2 600 Mitosis Cell and nuclear splitting 1 1 300 Total time: 24
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