Multiple Choice
Which of the following amino acids are most frequently phosphorylated by protein kinases in the cytoplasm during signal transduction?
A) tyrosines
B) glycine and histidine
C) serine and threonine
D) glycine and glutamic acid
E) Any of the 20 amino acids are equally phosphorylated.
Correct Answer:
Verified
Correct Answer:
Verified
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