Four of the five answers listed below are functions of parenchymal tissue. Select the exception
a. conduct water
b. wound healing
c. food storage
d. conduction of photosynthesis
e. secretion
a
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After the depolarization phase of an action potential, the resting potential is restored by _____
A) the opening of sodium activation gates B) the opening of voltage-gated potassium channels and the closing of sodium channels C) a decrease in the membrane's permeability to potassium and chloride ions D) a brief inhibition of the sodium-potassium pump E) the opening of more voltage-gated sodium channels
What are the main differences between a differential stain and a simple stain?
What will be an ideal response?
What is true regarding cytokines?
A. Cytokines protect in the attack of pathogens by phagocytosis. B. Cytokines bind to intracellular receptors. C. Cytokines are immune cells involved in producing antibodies. D. Cytokines are secreted by TH cells and bind to receptors. E. Cytokines are secreted by pathogens during infection.
Which of the following is not involved in achieving and maintaining an erection?
A. nitrous oxide B. blood C. smooth muscle D. urethra E. cGMP