Multiple choice

What activates protein kinase A?

  1. ATP

  2. GDP

  3. GTP

  4. Cyclic AMP

  5. RGS proteins
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The activation of protein kinase A depends on the cyclic AMP and therefore, it is commonly known as cAMP-dependent protein kinase. The role of protein kinase A is to transfer phosphate from ATP to serine or threonine residues of various proteins in order to alter their activities.

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