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8090 [49]
3 years ago
8

Amino acids are the monomers of proteins. Each amino acid consists of a carbon atom bound to a hydrogen atom, an amino group (-N

H2), a carboxyl group (-COOH), and a variable R group. Which functional group acts as an acid? A) amino group B) carboxyl group C) hydroxyl group D) phosphate group
Biology
2 answers:
umka2103 [35]3 years ago
8 0

In amino acids, the carboxyl group acts as an acid.

Answer: Option B

<u> Explanation: </u>

The molecular formula of the carboxyl group is -COOH. It is composed of one carbon atom bonded with oxygen atom and hydroxyl group.

During ionization process, it leads to the formation of two ions namely a positive ion called H^{+}, whereas a negative ion called COO^{-}. Due to the formation of H^{+} ions, which is nothing but a proton, the carboxyl group present in the amino acid act as an acid.

skad [1K]3 years ago
3 0

Answer:

Its the R group.

Explanation:

Every amino acid has an amino group, a carboxylic acid group, and a R group which varies from one amino acid to another amino acid. The R group can also be referred as side chain. There are 20 amino acids and they are the building blocks of proteins.

Read more on Brainly.com - brainly.com/question/4889008#readmore

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