Irreversible enzyme inhibitors
A) bind to the active site of an enzyme through noncovalent bonds.
B) have only a temporary effect on enzyme activity.
C) are often toxic to cells.
D) are not active against ribozymes.
E) are uncommon in nature.
Answer: C
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Which of the following is/are inaccurate about the Linnaean system of classification?
a. It does not rely on molecular data. b. It does not contribute to an understanding of evolutionary relationships. c. It does not help solve problems that are related to human health and welfare. d. Both a and b are inaccurate. e. Both b and c are inaccurate.
Why is the random assignment of individuals to experimental and control groups important for an experiment?
A) It ensures that bias has been completely eliminated from the experiment. B) It ensures that the results of the experiment will be statistically significant. C) It ensures that the sampling error will have no effect on the results of the experiment. D) It ensures that each group will better represent the population as a whole.
polar covalent bond
What will be an ideal response?
Mammals and birds are descendents of reptiles, but are not included within the taxon Reptilia. As a taxon Reptilia is...
A. monophyletic. B. a supergroup. C. polyphyletic. D. paraphyletic. E. a kingdom.