BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Proteins are composed of what smaller subunits?
A
amino acids
B
nucleic acids
C
fatty acids
D
nucleotides
Explanation: 

Detailed explanation-1: -Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are 20 different types of amino acids that can be combined to make a protein.

Detailed explanation-2: -Background. Glycine is the smallest nonessential amino acid and has previously unrecognized neurotherapeutic effects.

Detailed explanation-3: -Proteins are made of subunits called amino acids and are used to build cells and do much of the work inside organisms.

Detailed explanation-4: -Each polypeptide chain in such a protein is called a protein subunit. In the simplest case, two identical folded polypeptide chains bind to each other in a “head-to-head” arrangement, forming a symmetric complex of two protein subunits (a dimer) held together by interactions between two identical binding sites.

Detailed explanation-5: -Carbohydrates, nucleic acids, and proteins are often found as long polymers in nature. Because of their polymeric nature and their large (sometimes huge!) size, they are classified as macromolecules, big (macro-) molecules made through the joining of smaller subunits.

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