Saturation can be defined as
A) denaturation of an enzyme.
B) the inability to increase reaction velocity beyond a finite upper limit.
C) inhibition of enzyme function by blocking the active site.
D) the substrate concentration at which velocity reaches one-half maximum velocity.
E) a characteristic of all uncatalyzed reactions.
B) the inability to increase reaction velocity beyond a finite upper limit.
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An air temperature rise of 10?C will typically ____ evaporation from leaves
a. completely eliminate b. double the rate of c. mostly eliminate d. triple the rate of e. quadruple the rate of
Which blood type is the universal donor?
a. A b. B c. AB d. O e. none of these
Net primary productivity is the
a. rate of photosynthesis. b. rate of energy flow. c. amount of energy stored in the ecosystem. d. amount of energy utilized. e. amount of energy stored in the plant tissue in excess of that used by autotrophs in respiration.
In the sodium-potassium pump, sodium ion release causes two K+ ions to be released into the cell
__________________ Indicate whether the statement is true or false.