Herbivores are indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Answer: b
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Hypertension can be caused by all of the following EXCEPT
a. abnormalities of the cortex of the adrenal glands. b. advanced age. c. certain medications. d. kidney disease. e. exercise
__________ regulates the maturation of the mammary glands, and then oxytocin causes __________. Fill in the blank(s) with the appropriate word(s)
During the Proterozoic period photosynthetic cells
caused a. changes in the course of evolution due to production of oxygen. b. massive extinctions due to the production of chemical neurotoxins. c. the color of the oceans to change from blue to green. d. land formation due to the sediment buildup in shallow seas. e. none of these.
What is the MOST common type of mutation involving single base pairs?
A. frameshift mutation B. nonsense mutation C. missense mutation D. base substitution