A ribonucleoprotein is:
A. an enzyme that degrades RNA.
B. an RNase that functions in the nucleus.
C. a nucleotide-transport protein.
D. a noncoding RNA complexed with protein.
D
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Four of the five answers listed below are
related by a common region of the plant body. Select the EXCEPTION.
a. leaf b. root cap c. node d. axillary bud e. stem
Four of the five processes listed below are related by
a common result. Select the exception. a. volcanic eruption b. photosynthesis c. respiration d. combustion e. decomposition
Epithelial cells serve as a barrier to prevent non-specific movement of chemicals from one side of the epithelium to the other side.
a. true b. false
The mechanism of action of the antibiotic vancomycin is
A) inhibition of protein synthesis. B) inhibition of cell wall synthesis. C) inhibition of nucleic acid synthesis. D) inhibition of a metabolic pathway. E) disruption of cytoplasmic membranes.