BIOMOLECULES AND ENZYMES

BIOLOGY

AMINO ACIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An amino acid is an organic molecule in which a ____, a ____, and an ____ are all bonded to the samecarbon atom called a-carbon.
A
hydrogen atom; hydroxyl group; amide group
B
hydrogen atom; carboxyl group; amino group
C
hydroxyl group; carboxyl group; amino group
D
hydrogen atom; carbonyl group; amino group
Explanation: 

Detailed explanation-1: -Amino acid contains an amino group and an acidic group as substituents on the same carbon. This carbon is named as -carbon. Q. Amino acid contains an amino group and an acidic group as substituents on the same carbon atom.

Detailed explanation-2: -Amino acids are the monomers that make up proteins. Each amino acid has the same core structure, which consists of a central carbon atom, also known as the alpha () carbon, bonded to an amino group (NH2), a carboxyl group (COOH), and a hydrogen atom.

Detailed explanation-3: -The term amino acid is short for -amino [alpha-amino] carboxylic acid. Each molecule contains a central carbon (C) atom, called the -carbon, to which both an amino and a carboxyl group are attached. The remaining two bonds of the -carbon atom are generally satisfied by a hydrogen (H) atom and the R group.

Detailed explanation-4: -The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain (see below).

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