A lysosomal enzyme works best at a pH of:

A. 3
B. 5
C. 7
D. 8


Answer Key: B

Biology & Microbiology

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The synthesis of glucose from non-carbohydrate precursors is called ________.

A. glutamine synthase B. gluconeogenesis C. glycolysis D. None of the choices are correct.

Biology & Microbiology

How much larger do eukaryotic cells tend to be than prokaryotic cells?

a. 150–1000 times larger b. 10–100 times larger c. 5–10 times larger d. 1000 times larger or more

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A metabolic reaction will most likely reverse

itself under which of the following circumstances?

a. when the pH is too high. b. when the temperature is too low. c. when the reactant concentration is too high. d. when the product concentration is too high. e. when the enzyme concentration is too high

Biology & Microbiology

Invertebrate chordates include __________ and

__________, both marine filter-feeders. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology