The removal of electrons and/or hydrogen atoms from a substrate is called what?

a. phosphorylation
b. an enzyme-substrate complex
c. metabolism
d. oxidation
e. reduction


Answer: d. oxidation

Biology & Microbiology

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True or False. A Punnett square can be used to interpret the results of a testcross

A. true B. false

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In eukaryotic cells, the cell cycle is divided into two main phases in which the cell spends most of its time and metabolic energy. These two phases are

A. interphase and mitosis. B. mitosis and meiosis. C. interphase and cytokinesis. D. interphase and binary fission. E. mitosis and cytokinesis.

Biology & Microbiology

Osteoporosis sometimes results from

a. excessive PTH secretion. b. insufficient PTH secretion. c. excessive intake of vitamin D. d. excessive intake of iodine. e. insufficient intake of vitamin D.

Biology & Microbiology

The primary function of the leaf structure labeled 5 in Figure 9-1 is:

a. food storage.
b. photosynthesis.
c. water transportation.
d. gas exchange.
e. nutrient absorption.

Biology & Microbiology