Which event does not take place before the start of mitosis?
A. The nuclear envelope disintegrates.
B. Organelles proliferate.
C. DNA is replicated.
D. The parent cell grows.
Answer: A. The nuclear envelope disintegrates.
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Answer the following statement(s) true (T) or false (F)
At a party, one of your friends has just revealed that he and his wife are trying to conceive. What do you advise him to avoid at the party?
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If 100 females produce 50 offspring, the age specific fertility rate is
A. 0.75. B. 0.5. C. 2. D. 50. E. impossible to calculate with this information.
In pine trees the megaspores develop within a(n) ____
a. sporopollenin b. ovule c. seed d. strobilus e. pollen grain