How is antibody-mediated immunity different from cell-mediated immunity?
a. Antibody-mediated immunity requires lymphocytes; cell-mediated immunity does not.
b. Antibody-mediated immunity is innate; cell-mediated immunity is adaptive.
c. Antibody-mediated immunity is adaptive; cell-mediated immunity is innate.
d. Antibody-mediated immunity requires both B and T cells; cell-mediated immunity requires T cells but not B
cells.
e. Antibody-mediated immunity requires T cells; cell-mediated immunity requires B cells.
ANSWER: d
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A. sister groups. B. paraphyletic groups. C. homologous groups. D. polyphyletic groups. E. analogous groups.
The electronegativity of nitrogen (N) is 3.0, while the electronegativity of hydrogen (H) is 2.1. Knowing this, consider how the electrons will be shared in ammonia (NH3 ). What do you predict about the polarity of ammonia?
A. Each H atom has a partial positive charge B. The N atom has a partial positive charge C. Each H atom has a partial negative charge D. The N atom has a strong positive charge
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A. foods that are not in metal cans. B. moist foods. C. dry foods. D. It is effective with all foods.
How many ATP molecules (total) are produced
per molecule of glucose degraded during glycolysis? a. 1 b. 2 c. 4 d. 36 e. 38