A given enzyme
a. can be used for many different kinds of chemical reactions.
b. is permanently changed during a chemical reaction.
c. has a special site where the products bind before the reaction begins.
d. increases the rate of a particular reaction.
Ans: d. increases the rate of a particular reaction.
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A. more B. equally C. less
A selection coefficient of 1 means zero fitness
Indicate whether the statement is true or false
Animals probably developed from
A. Bacteria. B. Flagellated Protista. C. Slimemolds. D. Fungi.
Which of these is the second of the three stages of cell signaling?
-gene activation -reception -binding of a neurotransmitter to a plasma membrane receptor -transduction -cell response