Helicobacter pylori can survive in the stomach because it is tolerant to ________ pH
a. low (acidic)
b. low (basic)
c. high (acidic)
d. high (basic)
Answer: a
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Dolphins share synapomorphies with mammals
_____________________ Indicate whether the statement is true or false.
Asexual reproduction in plants does NOT involve
(a). Daughter plants being genetically identical to the parent plant. (b). The production of gametes. (c). a portion of one plant giving rise to a completely new plant. (d). vegetative propagation. (e). the use of runners.
How do some inhibitors slow down metabolic pathways when the products of the pathways are not needed but still allow a pathway to proceed when the products are needed?
A. Inhibitors promote an induced fit between a substrate and an enzyme's active site. B. feedback regulation C. enzyme activation D. Inhibitors usually degrade enzyme molecules.
A redox reaction involves the transfer of
A) an electron. B) carbon dioxide. C) a hydrogen ion. D) water. E) oxygen.