The haem group is a porphyrin ring complex containing a central iron atom. This iron atom is the binding site for oxygen molecules (O₂). Myoglobin's main function is to store oxygen in muscle cells and release it during periods of intense muscular activity when oxygen demand exceeds the supply from hemoglobin in the blood.
Haem is the important biologically in the myoglobin which is used to store :
Asked in HPPSC HPAS Prelims 2011 · Topic: Skeletal and Muscle System (Muscle Physiology: Contraction Dynamics, Fatigue, and Fiber Types)
More Biology questions
- The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by:
- लम्बे समय तक कठोर शारीǐरक कायर्त के बाद पेͧशयों में थकावट की अनुभूǓत ͩकस कारण होती है ?
- Muscle fatigue occurs due to the accumulation of which of the following ?
- Which of the following chemicals is responsible for the aching of muscle after vigorous muscular activity ?
- Muscle fatigue is due to the accumulation of:
- Consider the following minerals : 1. Calcium 2. Iron 3. Sodium Which of the minerals given above is/are required by human body for the contraction of muscles?
- Muscle fatigue is due to accumulation of
- Accumulation of which one of the following in the muscles leads to fatigue?