Which enzyme releases arachidonates from 20-carbon fatty acids?

Question

Quizplus · Accepted Answer

Phospholipase A2 (PLA2) releases arachidonates from the phospholipid membrane of cells. In the given options, choice B (phospholipase A2) is the only enzyme that can release arachidonates from 20-carbon fatty acids. Choice A (phospholipase A₁) and D (phospholipase D) cleave different bonds in phospholipids, while choice C (phospholipase C) cleaves a different type of phospholipid bond and does not release 20-carbon fatty acids.

Which Enzyme Releases Arachidonates from 20-Carbon Fatty Acids