pH is a measure of
(a) an enzyme’s effectiveness.
(b) enzyme concentration.
(c) hydrogen ion concentration.
(d) none of the above.
(c) hydrogen ion concentration.
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Which of the following statements is false?
a. The greatest amount of photosynthesis takes place in the palisade mesophyll. b. There are more stomata on the upper epidermis of most leaves than on the lower epidermis. c. The palisade mesophyll is more densely packed than the spongy mesophyll. d. The surface area of the root system is greater than that of the shoot system. e. Photosynthesis occurs in both the spongy and palisade mesophyll
The plant cell organelle most analogous to animal cell lysosomes is the
A) vacuole. B) glyoxysome. C) microsome. D) endosome. E) leaf peroxisome.
List and explain four uses for ATP in a cell.
What will be an ideal response?
Using a microscope, you observe an amoeba moving toward a food source. This is an example of
A) reproduction. B) cellular structure. C) metabolism. D) growth. E) responsiveness.