A ball at the top of a hill is an example of______ and a ball rolling down the hill is an example of ______.
A. potential energy; kinetic energy
B. kinetic energy; potential energy
C. exergonic reaction; endergonic reaction
D. noncompetitive inhibition; competitive inhibition
E. competitive inhibition; noncompetitive inhibition
Answer: A. potential energy; kinetic energy
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Stabilizing selection occurs when
a. the environment controls which organisms will survive. b. humans determine which organisms will survive. c. the extremes of the population have a lesser chance to survive. d. the extremes of the population have a better chance to survive. e. the organisms on one extreme of the population have a better chance to survive than those on the other extreme.
WHAT DOES NATURAL SELECTION RESULT IN
What will be an ideal response?
Assume that four polygenic gene pairs are involved in determining phenotypes of F2. How many phenotypic classes are expected?
What will be an ideal response?
The hormones secreted by the anterior pituitary are ____.
A. peptide hormones B. neurotransmitters C. steroid hormones D. second messengers E. polar