An integral membrane protein can be extracted with:
A. a buffer of alkaline or acid pH.
B. a solution of high ionic strength
C. a chelating agent that removes divalent cations
D. a solution containing detergent
E. hot water
Ans: D. a solution containing detergent
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If all conditions of Hardy–Weinberg equilibrium are met,
(a) allele frequencies move closer to each generation. (b) allele frequencies change in the direction predicted by natural selection. (c) allele frequencies stay the same. (d) all allele frequencies increase.
The separation of charge between the
cytoplasm of an unfired neuron and the interstitial fluid creates
a. kinetic energy. b. mechanical energy. c. potential energy. d. chemical energy. e. activation energy
Bony fish evolved ________ to help keep them afloat.
Fill in the blank(s) with the appropriate word(s).
Digests carbohydrates in the mouth