The light-harvesting units in the thylakoid membranes are the ________.
A. electrons
B. ATP molecules
C. photosystems
D. ATP synthases
E. grana
Answer: C
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Cartilaginous fish (chondrichthyes):
A. have well-developed kidneys. B. may have teeth made of bone. C. are generally freshwater species. D. have a swim bladder.
Describe what would happen if all of your skeletal muscles contracted at the same time
What will be an ideal response?
In humans, egg production (oogenesis) differs from sperm production (spermatogenesis) in that oogenesis
A. produces many more cells than spermatogenesis. B. usually results in fertilization. C. produces polar bodies. D. occurs for the majority of a person's life.
In order to be successful, chemotherapy drugs have to stop cell division. The most likely method for this would be to ________
A) stop cellular respiration so the cancerous cells don't have energy B) denature all the enzymes in the cell so division can't occur C) interfere with the function of the spindle fibers D) speed up the cell cycle in the cancerous cells