A person with fair skin produces less __________ than a person with dark skin
a. sebum
b. keratin
c. melanin
d. melatonin
e. mucous
C
Biology & Microbiology
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The ability to move chromosomes to the spindle poles requires that the kinetochore microtubules disassemble at their + ends.
a. true b. false
Biology & Microbiology
During the citric acid cycle, acetyl CoA is oxidized completely
Indicate whether the statement is true or false
Biology & Microbiology
If an atom has a charge of +1, which of the following must be true?
A) It has two more protons than neutrons. B) It has the same number of protons as electrons. C) It has one more electron than it does protons. D) It has one more proton than it does electrons.
Biology & Microbiology
If a cube has sides of 3 nm, what are the surface area and the volume of the cube?
A. 18 nm2, 6 nm3 B. 38 nm2, 16 nm3 C. 24 nm2, 8 nm3 D. 54 nm2, 27 nm3 E. 64 nm2, 24 nm3
Biology & Microbiology