Type I Helper T cells are involved in

A. innate immunity
B. humoral immunity
C. cell mediated immunity
D. chemical nonspecific


Answer: C. cell mediated immunity

Biology & Microbiology

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In order for a skeletal muscle fiber to contract, calcium must bind to:

A. tropomyosin. B. actin. C. troponin. D. myosin. E. the thick filament.

Biology & Microbiology

For a gene with two alternative alleles, B and b, the term q2 in the Hardy-Weinberg equation represents

A.  the frequency of the B allele. B.  the frequency of the bb genotype. C.  the total number of individuals in the population. D.  the total number of alleles for that gene in the population. E.  the frequency of the Bb genotype.

Biology & Microbiology

Which lipid type does not have fatty acid tails?

a. phospholipids b. polysaccharides c. unsaturated fats d. steroids e. saturated fats

Biology & Microbiology

Blood usually continues on from capillaries to enter

__________ in its travel through the human body. a. arterioles b. venules c. arteries d. veins e. other capillaries

Biology & Microbiology