Biology Support & Movement SZABMU 2022
PMDC Verified Question 62 of 75
What is the function of myoglobin?
A
Store oxygen
B
Store CO\(_2\)
C
Transport Oxygen
D
Transport CO\(_2\)
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Store oxygen
Concept:

Oxygen handling inside muscle cells.

Formula:

N/A (Conceptual)

Solution:

  • Myoglobin is a monomeric, iron-containing heme protein highly concentrated directly within the sarcoplasm of muscle fibers.


  • Unlike hemoglobin, which transports oxygen systemically through the blood, myoglobin's extremely high affinity for oxygen allows it to effectively extract and store oxygen locally within the muscle tissue until it is desperately needed for aerobic respiration.


Why other options are incorrect:

Hemoglobin is responsible for long-distance transport. Myoglobin does not bind or store CO\(_2\) effectively.

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