Most antipsychotic medications act by blocking _________ receptors.
A) serotonergic
B) dopaminergic
C) cholinergic
D) muscarinic
Answer: B) dopaminergic
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Which phase(s) of the Calvin cycle require ATP?
a. phase I only b. phase II only c. phase III only d. phases I and II only e. phases II and III only
Kin selection is a form of natural selection in which ____
a. dominant individuals share resources disproportionately with their close relatives b. individuals help relatives only if they are likely to return the favor in the future c. group members sacrifice their own reproductive success to help individuals who are not their direct descendants d. shared alleles for altruism are perpetuated if the assisted animals produce more offspring than the helper could have produced if he had not helped e. shared alleles for altruism are perpetuated if the helper produces more offspring than the relatives that he aids
The process by which cells acquire specialized forms and functions is called
A. cell differentiation. B. cell replication. C. cell growth. D. cell elasticity. E. None of the choices are correct.
Some animals allow their body temperature to conform to the environment. What is the old term for these animals, and what is the newer preferred term?
A. poikilotherms; ectotherms B. endotherms; homeostats C. isotherms; poikilotherms D. homeotherms; endotherms E. heterotherms; homeotherms