Chemistry Macromolecules / Biochemistry MDCAT 2017
PMDC Verified Question 43 of 47
Phosphoprotein comes under the type of proteins
A
Simple protein
B
Conjugated
C
Derived protein
D
Both A & B
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Conjugated
Concept:

Conjugated proteins consist of an amino acid chain (protein part) attached to a non-protein prosthetic group.

Formula:

$$N/A$$

Solution:

  • Phosphoproteins yield amino acids and phosphoric acid upon hydrolysis.
  • Because phosphoric acid serves as a non-protein prosthetic group covalently bound to the protein, phosphoproteins are classified as conjugated proteins.


Why other options are incorrect:

Simple proteins lack a prosthetic group entirely. Derived proteins are altered or degraded forms of native proteins. Therefore, 'Both A & B' is also incorrect.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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