Which of the following molecules would you predict moves through a lipid bilayer most rapidly?
A. C6H12O6
B. CH3OH
C. C2H5OH
D. C4H10
E. NH2SO2CH3
D. C4H10
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The rate of extinction picks up dramatically during a(n) __________, when a large proportion of Earth’s organisms
become extinct in a relatively short period of geologic time. What will be an ideal response?
A channel that opens in response to the binding of a specific molecule, which is usually NOT the solute that passes through the channel is called a(n)_____.
a) positive-gated channel b) ligand-gate channel c) voltage-gated channel d) electric-gated channel e) charge-gated channel
Excluding humans, which group of organisms is most likely to change the abiotic factors within an ecosystem?
A. producers B. detritivores C. herbivores D. None of these can change the abiotic factors within an ecosystem. E. All of these can change the abiotic factors within an ecosystem.
________ is the term for a starting a new culture from an existing one.
Fill in the blank(s) with the appropriate word(s).