Which of the following molecules is least likely to be able to pass through a capillary wall?
A) an enzyme
B) a sodium ion
C) glucose
D) oxygen
Answer: A
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Coprophagy is important for the nutritional balance of _____
A) ruminants such as cows B) insects and arthropods C) rabbits and their relatives D) squirrels and some rodents E) very large animals, such as elephants
Where is the central pacemaker that controls circadian rhythm found in many animals?
a. in the suprachiasmatic nucleus b. in the eye c. in the skin d. in the optic nerve
Two parents with normal vision have two sons, one color deficient and one with normal vision. If this couple then has six daughters, can you predict what percentage of the daughters will have normal color vision?
A) 0% B) 25% C) 75% D) 50% E) 100%
Symptoms of Toxic Shock Syndrome include all the following, except:
A. fever and muscle pain. B. appearance of flesh being "eaten" down to the muscle. C. nausea, vomiting, diarrhea. D. sunburn-like rash. E. kidney and liver failure.