Function Groups: Amino and Carbonyl

Carbonyl groups, which consist of an oxygen double bonded to a carbon in the middle of a hydrocarbon chain, are polar. Amino groups, which consist of two hydrogens attached to a nitrogen, are able to accept H positive ions from solution, forming H subscript 3 baseline positive. Amino groups are considered basic.

Figure 2.27 (OpenStax, Biology 2e) caption: These functional groups are in many different biological molecules. R, also known as R-group, is an abbreviation for any group in which a carbon or hydrogen atom is attached to the rest of the molecule.

(Source: OpenStax)

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