True or False? It is possible to consciously control the rate and depth of respiration.
Answer the following statement true (T) or false (F)
True
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During the development of lymphocytes, some pre-T and pre-B cells survive and develop into cells capable of an immune response; this is referred to as ________ selection. However, some cells are suppressed from responding to self antigens; this is referred to as ________ selection.
A. negative; neutral B. negative; positive C. neutral; positive D. neutral; negative E. positive; negative
The transfer of a phosphate group from creatine phosphate to ADP is classified as:
A) substrate-level phosphorylation. B) first phosphorylation. C) second phosphorylation. D) oxidative phosphorylation.
Which structures form the lentiform nucleus?
A. Putamen and globus pallidus B. Amygdaloid body and globus pallidus C. Globus pallidus and caudate nucleus D. Putamen and claustrum E. Caudate nucleus and claustrum
The sustentacular cells
A. mature to form sperm cells. B. produce testosterone. C. provide nourishment for development of sperm. D. cover and protect most of the testes. E. produce seminal fluid.