The neuron transport proteins that maintain the
resting membrane potential and restore ion
gradients following an action potential are
a. sodium-phosphorus passive transporters.
b. sodium-potassium pumps.
c. sodium-chlorine gated channels.
d. phosphorus-calcium pumps.
e. phosphorus-chlorine gated channels
B
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Which of the following inhibits protein synthesis?
A. Dapsone B. Penicillin C. Erythromycin D. Isoniazid
When assessing the quality of a direct Gram stain, neutrophils should appear as:
a. cells with pink cytoplasm and darker more purplish nuclear lobes. b. cells with pink cytoplasm and pink nuclear lobes. c. cells with purple cytoplasm and pink nuc-lear lobes. d. cells with purple cytoplasm and purple nuclear lobes.
The water vascular system is not involved with: a. gas exchange
b. excretion. c. locomotion. d. sensing of light.
Which of the following invertebrates is NOT a
protostome?
a. annelids b. mollusks c. echinoderms d. arthropods e. flatworms