The smooth endoplasmic reticulum:a
is absent in most plant cells.
b. synthesizes proteins.
c. provides structural support.
d. synthesizes lipids.
e. is required for ribosome synthesis
D
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The nasal hairs, convoluted passages, and mucous lining of the nasal turbinates:
a. nonspecifically protect the respiratory tract from infection. b. promote colonization of normal bacterial flora. c. can aid adherence by potentially harmful bacteria. d. reduce colonization of normal bacterial flora.
The strictest of the systematisists
A. Phenetics B. Traditionalists C. Cladists D. all are equal
Commercial sterilization differs from complete sterilization in that commercial sterilization
A) kills all microorganisms. B) kills only bacteria. C) may result in the survival of thermophiles. D) employs a higher temperature. E) may result in the survival of fungal spores.
A type of cofactor would be
A. metallic ions. B. ribozymes. C. active sites. D. substrates. E. vitamins.