Biology Biomolecules SZABMU 2023
PMDC Verified Question 55 of 142
Select the protein providing support for the connective tissues:
A
Histones
B
Keratin
C
Collagen
D
Elastin
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Collagen
Concept:

Connective tissues (tendons, ligaments, fascia) require extreme tensile strength to prevent tearing under tension.

Solution:

  • Collagen forms unique triple-helices that assemble into massive, highly cross-linked fibrils.


  • This specific fibrous architecture provides incredible tensile strength, making it the primary, unyielding support protein for the entire mammalian connective tissue system.


Why other options are incorrect:

  • Elastin: Found in connective tissue, but provides stretch/recoil rather than unyielding rigid support.


  • Keratin: Found strictly in epithelial structures (skin/hair), not internal connective tissue.


  • Histones: Nuclear proteins that organize DNA.

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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