Irreversible changes in the shape of a protein result from
A. extreme heat and pH.
B. the presence of catalysts.
C. steroid action.
D. freezing temperatures and changes in air pressure.
Answer: A
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The body is considered to be in nitrogen balance when the amount of nitrogen ingested in lipids equals the amount excreted in urine
Indicate whether the statement is true or false
A muscle in the front leg with two divisions is called the ________
Fill in the blank(s) with correct word
The model that explains how an enzyme and substrate fit together is called the ________.
A. enzyme-substrate model B. induced-fit model C. conformational model D. lock-and-key model
A dialysis sac that is permeable to glucose and water is filled with water and placed in a beaker containing 20% glucose solution. Will there be a net transport of glucose across the dialysis sac? If so, in which direction will the glucose move, into the
sac or out of the sac? A) There is no net movement, but glucose will move back and forth across the membrane. B) No, there is no force to drive glucose across the membrane. C) Yes, glucose will move into the sac. D) Yes, glucose will move out of the sac.