1- Phospholipase C
generates PIP2
generates DAG
hydrolyzes IP3
all of the above

2- PLCgamma is activated by
platelet-derived growth factor
tyrosine phosphorylation
Gq - protein
the first two are correct

3- Enzyme that cleaves at the red line

PLA2
PLC
PLD
PLA2 and diacylglycerol lipase

4- IP3 is catabolized by
inositol
phosphatase
phosophodiesterase
none the above

5- Not an IP3 receptor domain
N-terminus IP3 binding site
ATP-binding catalytic domain
regulatory domain with phosphorylation sites
six transmembrane domain

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Answers:

1- Phospholipase C
Answer: generates DAG

2- PLCgamma is activated by
Answer: the first two are correct (platelet-derived growth factor AND tyrosine phosphorylation)

3- Enzyme that cleaves at the red line

Answer: PLA2 and diacylglycerol lipase

4- IP3 is catabolized by
Answer: phosphatase

5- Not an IP3 receptor domain
Answer: ATP-binding catalytic domain