DNA and RNA contain functional units known as:
A. fatty acids.
B. amino acids.
C. peptides.
D. enzymes.
E. nucleotides.
Answer: E
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Which of the following cell organelles is
responsible for the breakdown of alcohol and other toxins?
a. Golgi body b. peroxisome c. lysosome d. ribosome e. mitochondrion
Meiosis most resembles mitosis in
A) the phases of meiosis I. B) the phases of meiosis II. C) meiosis I, except for the pairing of homologues. D) meiosis II, except for the pairing of homologues. E) all phases of meiosis I and meiosis II.
Which of the following is associated with the PNS but not the CNS?
A. myelin sheath B. dendrite C. Schwann cells D. node of Ranvier E. axon
Nutrients can be concentrated from dilute solutions by ________.
A. electron transport B. pinocytosis C. endocytosis D. active transport and group translocation