Which of the following best describes the components of glycerophospholipids? Qu

Question

Which of the following best describes the components of glycerophospholipids?

Question 11 options:

glycerol, one fatty acid, two phosphate groups, and an alcohol

glycerol, two fatty acids, a phosphate group, and an alcohol

either of these, depending on the identity of the phospholipid

none of the above

glycerol, one fatty acid, two phosphate groups, and an alcohol

glycerol, two fatty acids, a phosphate group, and an alcohol

either of these, depending on the identity of the phospholipid

none of the above

Explanation / Answer

All glycerophospholipids have two fatty acids in ester linkage with C-1 and C-2 of glycerol; often the fatty acid at C-1 is saturated, and that at C-2 is unsatured. C-3 of glycerol is jointed to an alcohol-containing head group through a phosphodiester linkage, which is negatively charged at neutral pH.

glycerol, two fatty acids, a phosphate group, and an alcohol

glycerol, two fatty acids, a phosphate group, and an alcohol

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