Proteolytic processing of eukaryotic proteins involves:a
removal of a portion of the polypeptide chain from an inactive precursor of the protein.
b. the addition of one or more functional groups to a precursor protein.
c. the removal of one or more functional groups from a precursor protein.
d. removal of histones.
e. removing the cap and tail of a newly synthesized protein
A
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The complete loss of either a guanine or adenine from DNA is an example of _____
A. Depurination B. Tautomeric shifts C. Deamination D. Demethylation
In a population of 100 four-o'clock flowers there are 40 red-flowered plants (CRCR), 38 pink-flowered plants (CRCW), and 22 white-flowered plants (CWCW). What is the frequency of the CW allele in this population?
A. 0.32 or 32% B. 0.6 or 60% C. 0.41 or 41% D. 0.09 or 9% E. 0.52 or 52%
Which of the following statements is true?
A. Microbial metabolism can alter a food to improve its flavor. B. Microorganisms can be a food source. C. Not all microorganisms in food cause foodborne disease. D. All statements are true.
Arthropods (Crustaceans, spiders, insects, millipedes, centipedes) have this kind of skeleton that surrounds all other organs.
A. endoskeleton B. exoskeleton C. bony skeleton D. cartilaginous skeleton