By what process do body cells become specialized?
a) regeneration
b) reproduction
c) differentiation
d) development
Ans: c) differentiation
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Which is true of the following reaction: Pi + ADP -> ATF?
A. It has a change in free energy that is less than 0. B. It has a change in free energy that is greater than 0. C. It can be used to drive endergonic reactions. D. It yields energy. E. It has a change in free energy that is greater than 0, and hence can be used to drive endergonic reactions.
Explain the roles of the hormones GnRH, FSH, and LH in the male and female reproductive systems
What will be an ideal response?
Which of the following is NOT an adaptation used by marine mammals to extend dive times?
a. size-relative increase in blood volume. b. increase in erythrocyte count c. size-relative increase in lung volume d. elevated concentration of muscle myoglobin e. reduced circulation to nonessential organs
Aquatic biomes are defined primarily by ________
A) the animals that live there B) the plants that live there C) their temperature D) their salinity