Why are steroids considered lipids?
a. Because they are soluble in polar solvents.
b. Because they are not soluble in polar solvents.
c. Because they are soluble in polar solvents at certain temperatures.
d. None of the above.
b
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Substance X is more concentrated in the extracellular fluid than in the intracellular fluid. Substance X will move OUT of the cell by ________.
Fill in the blank(s) with the appropriate word(s).
Any chemical interaction between atoms:a
involves neutrons. b. may potentially involve any electron. c. involves protons. d. involves only valence electrons. e. involves only the nuclear subatomic particles.
What is a fruit species that can be propagated by apomixis?
a. apple b. peach c. citrus d. pear e. peach
Nucleic acid molecules used to deliver new genes to cells are called (plasmids/vectors/clones).
Fill in the blank(s) with the appropriate word(s).