Enzyme Regulation: Covalent Modification — MCQs

Which of the following is not associated with post-transcription modification?

Which of the following enzymes does not catalyze a reaction that directly produces ATP via substrate-level phosphorylation?

Which of the following is LEAST COMMONLY phosphorylated by protein kinases?

Which of the following does NOT directly influence the activity of existing enzyme molecules?

Inactive precursors of enzymes are known as:

In response to changes in Ca2+ concentration, which of the following Ca2+ binding proteins can modify the activity of many enzymes & proteins?

Which of the following is active in dephosphorylated state?

Phosphofructokinase-1 occupies a key position in regulating glycolysis and is also subjected to feedback control. Which among the following are the allosteric activators of phosphofructokinase-1?

Which of the following is an example of allosteric inhibition?

Enzyme causing covalent bond cleavage without hydrolysis ?