Antibodies can be produced against all of the
following EXCEPT
a. viruses.
b. bacterial cell walls.
c. fungi.
d. toxins.
e. all of these can be bound by an antibody
E
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Most ciliates are likely to be found in
I. seawater II. freshwater III. acidic hot springs
a. I only b. I and II c. II and III d. II only e. III only
Dialysis is a procedure in which a machine takes over the function of the
A. liver. B. pancreas. C. hypothalamus. D. urinary bladder. E. kidney.
What is the main form of nitrogenous waste that is excreted from Malpighian tubules?
a. urea b. uric acid c. ammonia d. nitrate
You perform an experiment using an aquatic plant called elodea to determine which color of light is most effective at driving photosynthesis. You take three plants, immersed under water, and place plant A under blue light, plant B under red light, and
plant C under green light. You notice bubbles coming off the leaves. More bubbles are coming from plants A and B, and few are coming from plant C. What is producing the bubbles? How do these results determine which color of light is most effective at driving photosynthesis? What will be an ideal response?