Vesicles are used for transport during which of the following?
a. endocytosis only
b. exocytosis only
c. phagocytosis only
d. both endocytosis and exocytosis
d. both endocytosis and exocytosis
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All of the following would help to reduce the amount of greenhouse gases in the atmosphere EXCEPT
a. planting trees. b. reducing emissions from factories. c. reducing water usage. d. using solar heat in homes. e. walking to work.
A friend of yours is wondering about the differences between the words orientation and navigation when these two terms are used in descriptions of bird migrations. Since you have studied and know something about animal behavior, what do you tell your friend?
A. Orientation is adjusting a bearing, while navigation is actually following a bearing. B. Orientation and navigation are used interchangeably when referring to avian migrations. C. Orientation is following a bearing, while navigation is setting or adjusting a bearing. D. Orientation is following the sun in the day as starling do, while navigation is following a bearing with a small amount of magnetite, which is found in the heads of some migratory birds. E. Orientation is the ability to find true east, navigation is the ability to find a bearing while crossing water.
Rhodopsin
a. is a pigment. b. is found in rods. c. absorbs photons of blue-to-green light. d. is concentrated at the edges of the retina. e. includes all of these descriptions
In a cyanobacterium, the reactions that produce NADPH occur in
A) the light reactions alone. B) the Calvin cycle alone. C) both the light reactions and the Calvin cycle. D) neither the light reactions nor the Calvin cycle. E) the chloroplast, but is not part of photosynthesis.