Microorganisms require small quantities of this nutrient for enzyme function and maintenance of protein structure.
A. macronutrient
B. element
C. water
D. growth factors
E. trace element
Answer: E
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The active site of an enzyme is the region that _____
A) binds allosteric regulators of the enzyme B) is involved in the catalytic reaction of the enzyme C) binds noncompetitive inhibitors of the enzyme D) is inhibited by the presence of a coenzyme or a cofactor
If the embryos of a mating do not develop properly and die, thus preventing the offspring of two different species from continuing to reproduce, they are an example of
A. behavioral isolating mechanisms. B. mechanical isolating mechanisms. C. biochemical isolating mechanisms. D. hybrid inviability.
Palivizumab is used to treat respiratory syncytial virus disease. This antiviral drug is a(n)
A) toxoid. B) monoclonal antibody. C) vaccine. D) immunosuppressive. E) nucleoside analog.
Hormones that are released by the posterior pituitary were made in the:
A) adrenal glands. B) thalamus. C) brain stem. D) anterior pituitary. E) hypothalamus.