Plants are able to generate all of the substances they need for their metabolism using energy from the ____
a. soil
b. air
c. root
d. Sun
e. rain
ANSWER: d
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The molecular formula for glucose is C6H12O6. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?
A) C60H120O60 B) C6H12O6 C) C60H102O51 D) C60H100O50 E) C60H111O51
Which letter in the figure above corresponds to closed sodium and potassium channels?
A) A B) B C) C D) D E) E
Conservation biology is a ____
a. mature science b. young science c. science that addresses speciation rates d. science practiced by environmentalists e. declining science
Antibodies are attached to the surface of a B cell by
A) the light chain of the arm of the antibody. B) the stem of the antibody. C) mucus. D) the heavy chain of the arm of the antibody. E) sticky proteins produced by T cells.