Topics: Mutations, Replication, and Cancer Quiz
Why does DNA replication have to occur?
A. So that it can fix any mistakes the cell made during division
B. So that the cell can get bigger
C. So that each new cell will have a full set of chromosomes after mitosis
D. So that each cell has a back-up copy of its DNA
Select your answer:

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ology & phobia › ViewWhat does “graph” most likely mean in the word “graphology?”
A. to write
B. to read
C. to think
D. to speak
Nutrition › View
Cholecystectomy means
A. removal of liver
B. removal of kidney
C. removal of gallbladder
D. removal of lungs