NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

BIO MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Two similar proteins are pictured. Because these two proteins have different structures, they most likely-
A
contain different elements
B
have different functions
C
contain different nucleotides
D
store different amounts of energy
Explanation: 

Detailed explanation-1: -Both carbohydrates and proteins are essential organic compounds. They have similar molecular makeup. Both carbohydrates and proteins give out the energy of 4 kcal per gram.

Detailed explanation-2: -The proteins work as transport channels and gates where they have inner openings for the molecules to pass through. Carbohydrates work as receptors that detect the signals outside the cell.

Detailed explanation-3: -proteins are more structurally and functionally diverse than carbohydrates and lipids primarily because they are able to perform more metabolic functions than carbohydrates and lipids. Proteins are composed of at least 23 diverse amino acids, each of which has unique structural and functional chemical properties.

Detailed explanation-4: -Carbohydrates, lipids, proteins, and nucleic acids are organic molecules found in every living organism. These macromolecules are large carbon based structures. The macromolecules are assembled by joining several smaller units, called monomers, together through a chemical reaction called dehydration synthesis.

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