Lipids The majority of the fatty acids in mammals are stored as A. free fatty ac

Question

Lipids The majority of the fatty acids in mammals are stored as A. free fatty acids. B. triacylglycerol. C. phosphatidylcholine D. cholesterol Which of the following lipids is NOT commonly found in biological membranes? A. phosphatidylcholine B. triacylglycerol C. sphingomyelin D. ceramide Which of the following statements is FALSE about biological membranes? A. Cholesterol can be present in biological membranes. B. Biological membranes are predominantly composed of triacylglycerols. C. The fluidity of biological membranes is affected by the presence and number of double bonds in fatty acids. D. Biological membranes often contain proteins in the lipid bilayer. Which is FALSE regarding membrane proteins? A. They can be covalently attached to lipids. B. They can be covalently attached to carbohydrates. C. They often contain the specialized amino acid hydroxylysine D. They often diffuse laterally in the membrane.

Explanation / Answer

1)-option b is correct because major form of fatty acids stored as triacylglycerols in adipose tissues.

2)-option b is correct because they are not found in cell membrane ,they are not amphipathic in nature.

3)-option b is correct because in biological membrane triacylglycerols is absent.

4)-option c is correct because hydtoxylysin is absent in membrane protein.

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