What term best describes the role of certain metal ions and coenzymes in metabolic processes?
a. reactants
b. intermediates
c. cofactors
d. products
e. catalysts
ANSWER: c
Biology & Microbiology
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a. overactive; environmental b. underactive; environmental c. overactive; cellular d. underactive; cellular e. normal level; microbial
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Which of the following is not a function of a plant stem?
A. storage of starch B. storage of water C. production of pollen D. support E. protection from predators
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Repolarization of a neuron following an action potential most often requires opening of ______ channels.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The most primitive group of animals, lacking tissues and organs, are the:
a. sponges. b. corals. c. flatworms. d. gastropods. e. sea anemones
Biology & Microbiology