During spermatogenesis in meiosis II, ____ form(s)
a. primary spermatocytes
b. secondary spermatocytes
c. spermatids
d. mature sperm
e. a zygote
ANSWER: c
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How is active retinal returned to the inactive state?
a. It isn't; rather, the cell degrades the active form and synthesizes new, inactive proteins. b. It is converted back to the inactive confirmation by a series of enzymes. c. It reverts back to the inactive state on its own. d. It is transported to a lysosome. e. The mechanism is not known.
A display of an individual's chromosomes is known as a(n) ________
Fill in the blank(s) with correct word
What potential consequence on the cardiovascular system may result from smoking?
A) an increase in the production of HDL B) a decrease in the production of LDL C) a higher risk of atherosclerosis D) an increase in the risk for lung cancer
Each species has a typical survivorship curve. Identify the labeled curves and briefly describe the typical survival rates and when death occurs. Give examples of organisms that have this type of survivorship curve.
What will be an ideal response?