1- PLA2 are directly activated by
PKC
PKC and Ca2+
PKG
PKG and Ca2+

2- EDGs are
G-protein receptors
second messengers
activated by DAG
all of the above

3- Arachidonic acid is metabolized by cytochrome P450 into
prostaglandins
thromboxanes
leukotrienes
EETS

4- Makes HPETES from arachidonic acid
cyclooxygenases
lipoxygenases
P450
the first two are correct

5- Lipoxygenases require
Ca2+
ATP
hydroperoxy acid
all of the above

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Answers:

1- PLA2 are directly activated by
Answer: PKC and Ca2+

2- EDGs are
Answer: G-protein receptors

3- Arachidonic acid is metabolized by cytochrome P450 into
Answer: EETS

4- Makes HPETES from arachidonic acid
Answer: lipoxygenases

5- Lipoxygenases require
Answer: all of the above (Ca2+ AND ATP AND hydroperoxy acid)