KROK 1 Stomatology 2014 – Question 98 · KROK (Dentistry)
One of the means of regulating enzyme activity in a human body is the covalent modification. Glycogen phosphorylase and glycogen synthetase activity is regulated by the following type of covalent modification:
- A. Hydrolysis
- B. Sulfonation
- C. ADP-ribosylation
- D. Methylation
- E. Phosphorylation-dephosphorylation
Hint
Think about the effect hormone-activated protein kinase A cascades have on the enzymes that make and break down glycogen.
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