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Which of the following catalyzes the cutting of PIP2 into 2 moles of IP3 and diacylglycerol in cell signaling?

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Which of the following catalyzes the cutting of PIP2 into 2 moles of IP3 and diacylglycerol in cell signaling?

(a) Phosphokinase C

(b) Phospholipase C

(c) Lipokinase

(d) Phosphodiesterase C

This question was posed to me during an internship interview.

The origin of the question is Advanced Questions and Answers in section Regulation of Gene Expression and Miscellaneous of Biochemistry

1 Answer

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Best answer
Right choice is (b) Phospholipase C

Best explanation: PLC also named phospholipase grabs onto PIP2 and cuts it into diacylglycerol and IP3.

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