Which process results in a zygote?
(a) meiosis.
(b) mitosis.
(c) fertilization.
(d) none of the above.
(c) fertilization.
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The F factor can be integrated into the bacterial chromosome through ____
a. mitosis b. DNA replication c. transcription d. crossover events e. transduction
Why are vasodilation and vasoconstriction the main mechanisms to change blood flow?
A. Sympathetic activation has no effect on blood flow. B. Leakage of fluids from the capillaries has no effect on blood flow. C. Blood hematocrit has no effect on blood flow. D. Blood vessel length is relatively fixed and has no effect on blood flow.
In saltatory conduction, the membrane is depolarized only in the region of the myelin sheath
____________________ Indicate whether the statement is true or false.
An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (naturally) wavy hair
If an individual with wavy hair mates with an individual with straight hair, what is the probability that their child will have curly hair? A) 0% B) 25% C) 50% D) 75%