The definition of a saturated fat is that it can hold no more atoms of
A. carbon.
B. hydrogen.
C. oxygen.
D. All of these answers are true.
B. hydrogen.
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Avery and his coworkers showed that the agent responsible for changing nonvirulent bacteria into virulent bacteria was
A. protein. B. polysaccharide. C. DNA. D. RNA. E. lipid.
Which of the following statements about the
prostate is FALSE?
a. Prostate enlargement can be a symptom of prostate cancer. b. Prostate cancer is the leading cause of death in males. c. In young men, the prostate gland is the size of a walnut. d. The urethra runs through the prostate gland. e. The prostate gland is directly below the urinary bladder.
Some members of an animal society may have greater success at reproduction as a result of:
a. dominance hierarchy. b. sexual selection. c. reproductive isolating mechanisms. d. reproductive isolating mechanisms along with sexual selection. e. dominance hierarchy along with sexual selection and reproductive isolating mechanisms.
Which of the following is necessary for DNA to make copies of itself?
A. Ribosomes must be present. B. The cell must have an abundant supply of RNA nucleotides. C. The two strands of the DNA molecule must separate. D. Chromosomes must be synapsed.