Question

Which one of the following will be largely different in various animal species?

• A. Carbohydrates
• B. Fats
• C. Proteins
• D. Enzymes

Answer 1

The correct option is C

Proteins

The correct option is option (C):

Explanation of the correct option:

1. Proteins are polymers made up of amino acids linked together by peptide bonds.
2. They act as carriers, enzymes, or hormones.
3. Proteins are the most diverse molecule and are found in the vast majority of living organisms.
4. Protein diversity is due to the presence of an R group in the amino acids.
5. The variation in the R group causes the protein to differ from one animal to the next.

Explanation of the incorrect option:

Option (A):

Carbohydrates are the primary source of energy of living organisms.

Option (B):

Fat is the secondary source of energy which is made up of fatty acids and glycerol.

Option (D):

Enzymes are proteins that help in catalysing biochemical reactions.

Final answer: Proteins are largely different in various animal species.