Biology Support & Movement UHS 2023
PMDC Verified Question 34 of 75
The cell membrane of muscle cell is:
A
Sarcoplasm
B
Sarcolemma
C
Sarcomere
D
Myofibrils
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Sarcolemma
Concept:

Muscle cell anatomy and prefixes.

Formula:

N/A (Conceptual)

Solution:

  • In muscle histology, the prefix sarco- (flesh) replaces standard cell prefixes.


  • The suffix -lemma means husk or sheath. Therefore, the specialized excitable plasma membrane wrapping the muscle cell is universally known as the sarcolemma.


Why other options are incorrect:

Sarcoplasm is the interior cytoplasm. A sarcomere is the internal contractile unit. Myofibrils are the long protein cords inside the cell.

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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