True or False? Acquired immunity is passed from mother to child before birth. Select one:
a. true
b. false
b. false
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________ release during inflammation causes increased blood vessel permeability.
A) Elastin B) Histamine C) Fibroblast D) Fibrillin E) Collagen
Saltatory conduction
a. occurs in unmyelinated nerve fibers. b. is slower than conduction by local current flow because the myelin acts as an insulator to slow the impulse down. c. involves the impulse jumping from one node of Ranvier to the adjacent node. d. refers to the action potential spreading from one Schwann cell to the adjacent Schwann cell. e. more than one of these answers.
A reaction which creates larger molecules from substrates and results in water as a byproduct would be catalyzed by a ________ enzyme.
dehydrogenase hydrolase isomerase synthase
What is the function of adrenocorticortropic hormone?
a) to promote the development of the ovarian follicles b) to stimulate the uptake of calcium in the kidney tubules c) to stumlate testosterone production d) to stimulate the adrenal cortex to secrete glucocorticoids