The valve between “C” and “E” is the

a. right AV valve.
b. right semilunar valve.
c. left AV valve.
d. left semilunar valve.
e. aortic valve.


Answer: b

Biology & Microbiology

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Examine Figure 48.5 in your text. According to this figure, mean temperature changes from 1940–1980 and 1999–2008 have been greatest:

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Biology & Microbiology

Match the following items with the correct phrases.

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Which element is considered an essential micronutrient for plants?

a. gold b. carbon c. uranium d. nitrogen e. copper

Biology & Microbiology

Normal diploid somatic (body) cells of the mosquito Culex pipiens contain six chromosomes. Assuming that all nuclear DNA is restricted to chromosomes and that the amount of nuclear DNA essentially doubles during the S phase of interphase, how much

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Biology & Microbiology