Approximately how many genes do humans possess?
a. 100,000
b. 50,000
c. 40,000
d. 25,500
e. 21,500
E
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Light-dependent reactions generate
A. ATP and NADPH. B. NADP+. C. CO2. D. light. E. glucose.
Darwin's proposal that organisms that are better suited to their environment are more likely to survive and reproduce is termed ________
Fill in the blank(s) with correct word
The segments of a tapeworm that contain female and male sex organs are called
A. glycocalyxes. B. scolexes. C. proglottids. D. sporocysts. E. cercariae.
The HIV virion is best described as a(n)
A) segmented RNA genome in an irregular polyhedron capsid with envelope. B) unsegmented RNA genome in a helical capsid with an envelope. C) unsegmented RNA genome in a long flexible helical capsid with envelope. D) segmented RNA genome in an icosahedral capsid, without envelope. E) segmented RNA genome in helical capsids and an envelope.