Which of the following statements is true?
a. Memory B cells are typically established when the B cell binds to an antigen.
b. Adaptive defenses include humoral immunity only.
c. Innate defenses are enough to keep a person healthly.
d. Adaptive defenses include both humoral and cellular immunity.
Ans: d. Adaptive defenses include both humoral and cellular immunity.
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A. antimicrobial agents B. semisynthetic drugs C. synthetic drugs D. antibiotics
Which of the letters in the above figure represents
the ovule? a. A b. B c. C d. D e. none of these
What proteins move the chromosomes around during cell division?
What will be an ideal response?
The clockwise gyre of surface ocean currents in the North Atlantic results in:
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