The allergic response is primarily mediated by _____ antibodies.

A. IgG
B. IgM
C. IgA
D. IgE
E. IgD


D. IgE

Biology & Microbiology

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If blood calcium ion concentration declines, ____ is released

a. thyroid hormone b. insulin c. glucagon d. parathyroid hormone e. calcitonin

Biology & Microbiology

Hormones important in internal homeostatic control mechanisms are generally part of a(n) ________ feedback loop

Fill in the blank(s) with correct word

Biology & Microbiology

Why do plants dominate and define communities on land?

What will be an ideal response?

Biology & Microbiology

The mode of action of penicillin is

A) inhibition of cell wall synthesis B) disruption of cell membranes C) inhibition of protein synthesis D) inhibition of nucleic acid synthesis

Biology & Microbiology