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Question: Answered & Verified by Expert
All of the following statements apply to proteins except
ChemistryBiomoleculesJEE Main
Options:
  • A
    Proteins generally have no definite melting point
  • B
    Proteins contain the grouping - $\mathrm{CONH}-$
  • C
    Proteins have high molecular weight
  • D
    Proteins can only contain the elements $\mathrm{C}$, H, O and N.
Solution:
2959 Upvotes Verified Answer
The correct answer is:
Proteins can only contain the elements $\mathrm{C}$, H, O and N.
Statement (d) is not correct. Some proteins also contain $\mathrm{S}$, with $\mathrm{C}, \mathrm{H}, \mathrm{O}$ and $\mathrm{N}$.

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