The ______________ antibody class is referred to as the maternal antibody

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


Answer: C. IgG

Biology & Microbiology

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Which of the following groups is most closely related to the tracheophytes?  

A.  Bryophytes B.  Charophytes C.  Rhodophytes D.  Chlorophytes

Biology & Microbiology

What is the correct rank order for relative amount of water (most to least) required for excretion of the primary nitrogenous wastes generated by different animals?

A. ammonia ? urea ? uric acid B. uric acid ? ammonia ? urea C. urea ? uric acid ? ammonia D. ammonia ? uric acid ? urea E. urea ? ammonia ? uric acid

Biology & Microbiology

In Long Beach, CA, recent proposals have suggested removing the breakwall that has protected the Los Angeles/Long Beach harbor for nearly half a century. This has been suggested as a way of returning the Long Beach coastline to its natural pre-breakwall state. Can you suggest any reasons why this may not be such a good idea?

What will be an ideal response?

Biology & Microbiology

Taking this exam might have caused your adrenal cortex to produce cortisol, the most common glucocorticoid. Cortisol is usually produced in response to

A) a drop in blood pressure. B) the release of adrenaline. C) increased brain activity. D) stress or anxiety. E) inactivity.

Biology & Microbiology