Which statement is true about minerals?
A) Minerals will not dissolve in water.
B) Some minerals contain carbon.
C) Minerals cannot be made by the body.
D) Minerals are not used by body cells.
C
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What method of birth control is the most effective?
a. Condom b. Diaphragm c. Spermicides d. Withdrawal e. Vasectomy
The application of recombinant DNA technology to forensic cases requires all of the following
EXCEPT A. cloning of the DNA. B. establishment of DNA profiles. C. DNA sequencing. D. STR analysis. E. none of these.
The part of a tRNA molecule that binds to a codon is a parallel codon.
a. true b. false
Microscopic examination of a patient's fecal culture shows spiral bacteria. The bacteria probably belong to the genus
A) Campylobacter jejuni. B) Escherichia coli. C) Salmonella typhi. D) Shigella spp. E) Vibrio cholerae.