Biology Biomolecules ETEA 2023
PMDC Verified Question 67 of 142
The conjugated molecule that is primarily present in egg albumin is:
A
Lipoprotein
B
Nucleoprotein
C
Glycolipid
D
Glycoprotein
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: Glycoprotein
Concept:

Ovalbumin (the main protein in egg white) requires slight carbohydrate modification to maintain solubility and structure.

Solution:

  • Egg albumin (ovalbumin) is a massive globular storage protein.


  • However, it is not a pure protein; it has short carbohydrate chains covalently attached to its surface to enhance its solubility in the aqueous environment of the egg white.


  • Because it is a protein chemically bonded to a carbohydrate, it is classified specifically as a Glycoprotein.


Why other options are incorrect:

  • Lipoprotein: Found in blood plasma (HDL/LDL) for lipid transport, not bulk egg white storage.


  • Nucleoprotein: Found in the nucleus (chromatin).


  • Glycolipid: Found on cell membranes, entirely lacking the massive protein component of albumin.

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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