Cells that stay in the body and make it easier to fight off an infection the second time you get it are called
A) helper cells.
B) memory cells.
C) macrophages.
D) suppressor cells.
E) None of the answers are correct.
B) memory cells.
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The atomic number is equal to the number of ________.
Fill in the blank(s) with the appropriate word(s).
Neuropeptides
a. are sometimes co-secreted along with classical neurotransmitters b. are synthesized in the cytosol of the axon terminal c. act at the subsynaptic membrane of the postsynaptic neuron d. act slowly to bring about an IPSP or EPSP e. are larger molecules than classical neurotransmitters
Functions of proteins include
A. providing structural strength in connective tissue. B. serving as a part of the cholesterol molecule. C. padding and insulation. D. transport of nitrogen gas in the blood. E. serving as the primary energy source of cells.
The cells found in nervous tissue are neurons and ________.
A. neurosomas B. Purkinje fibers C. neuroglia D. dendrites