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What are the functional groups of carbohydrates, lipids, proteins, and nucleic acids?

Answer 1

Lydia Adams

various groups list in explanation

Carbohydrate---alcohol and (aldehyde or ketone)
lipids--------------carboxylic acid with long hydrocarbon chains (usually above 16 C long)
proteins----------amino acids (various R groups[check this question https://tutor.hix.ai ]) which has amino and carboxylic acid group
nucleic acid-----one phosphate group, one nitrogen containing base (pyrimidine or purine) and a sugar molecule, which in turn has alcohol and aldehyde/ketone group.

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Answer 2

Jeremiah Allen

Proteins: amino group (-NH2) and carboxyl group (-COOH); Carbohydrates: hydroxyl group (-OH); Lipids: ester group (-COO-); Nucleic acids: phosphate group (-PO4)

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.