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<span>The hydrogen-oxygen ratio is different.
Carbohydrates and lipids are macromolecules. These macromolecules or biomolecules help organisms to conduct and execute certain cellular activites making them alive and thrive in their certain environment. It is only that carbohydrates are more efficient at producing energy than lipids.</span>
Answer:
Option-C
Explanation:
The phospholipids are the major constituents of the cell membrane of a cell. The phospholipids contains the glycerol attached to the phosphate group and forms the hydrophilic heads whereas the fatty acid tails from the hydrophobic portion of the membrane.
The hydrophobic head face outwards whereas the tails face inwards. The structure of the membrane as arranged in bi lipid layer form and in such a way that the membrane molecules can move. The other molecules present in the membrane like the proteins can drift in the membrane.
Thus, Option-C is correct.
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