1-Which of the following enzymes catalyzes the release of arachidonic acid from phospholipids? Select one: a. Phospholip

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1-Which of the following enzymes catalyzes the release of arachidonic acid from phospholipids?
Select one:
a. Phospholipase D
b. Phospholipase A1
c. Phospholipase A2
d. Phospholipase C
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2- Transport of single type of substrate across the membrane by the transport protein is:
Select one:
a. Uniport
b. Antiport
c. None of them
d. Symport
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