Question

Classify each amino acid according to whether its side chain is predominantly ?

1) Polar
2) Nonpolar
3) Acidic
4) Basic

Answer 1

Amino acids are classified by their side chain properties into nonpolar, polar but uncharged, acidic, and basic groups, influencing their role in proteins.

Step-by-step explanation:

The classification of amino acids is determined by the nature of their side chains, which can be nonpolar, polar, acidic, or basic. Nonpolar amino acids, like valine, methionine, and alanine, have side chains consisting of hydrocarbons that are hydrophobic. Polar amino acids, such as serine, threonine, and cysteine, have hydrophilic side chains that are polar but uncharged. Basic amino acids like lysine and arginine have positively charged side chains, while amino acids such as aspartate and glutamate have negatively charged side chains, making them acidic. The R group's chemical nature influences the protein's structure and function.