T cells:
a. spend time developing in the thymus
b. are responsible for cell-mediated immunity
c. respond to antigens by releasing antibodies
d. both A and B above
d. both A and B above
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What mediates the primary response?
a. IgA antibodies b. T cells c. IgM antibodies d. B cells e. IgG antibodies
Fast axonal transport is
A. active (requires ATP) and only occurs in the anterograde direction. B. active (requires ATP) and only occurs in the retrograde direction. C. passive and only occurs in the anterograde direction. D. active (requires ATP) and can occur in either the anterograde or retrograde direction. E. passive and only occurs in the retrograde direction.
Which of the following is formed from mesoderm?
A. autonomic neurons B. dermis of the skin C. adrenal medulla D. teeth E. tonsils
Creatine phosphate functions in the muscle cell by ________.
A) forming a temporary chemical compound with myosin B) forming a chemical compound with actin C) inducing a conformational change in the myofilaments D) storing energy that will be transferred to ADP to resynthesize ATP