What is true regarding the effect of vitamin C on the common cold?
What will be an ideal response?
There is little evidence that vitamin C prevents the common cold.
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What would be the most likely outcome if the genetic code was not degenerate?
A. The effect of some mutations would decrease. B. The effect of some mutations would increase. C. The number of stop codons would increase. D. The mutation rate would remain the same.
Disulfide bonds are formed _____________
a. between R-groups b. between different regions of the backbone c. between an R-group and the backbone d. all of the above
The primers in PCR are
a. fragments of mRNA. b designed to base pair with mRNA. c. free nucleotides. d. radioactive. e. none of these.
Two diseases that represent high-priority threats as biological weapons today are
A) smallpox and typhus. B) syphilis and HIV. C) anthrax and botulinum. D) anthrax and Salmonella.