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Cardiac muscle cells differ from striated muscle cells in having _______________.
- a)a centrally located nucleus
- b)different myofibrils
- c)fewer mitochondria
- d)no sarcoplasmic reticulum
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Cardiac muscle cells differ from striated muscle cells in having _____...
The cardiac muscle fibres are uninucleate and their nuclei are centrally placed. Striated muscle fibres are multinucleated and their nuclei lie at irregular intervals.
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Cardiac muscle cells differ from striated muscle cells in having _____...
Cardiac Muscle Cells
Cardiac muscle cells are specialized cells that make up the myocardium, the muscular wall of the heart. These cells have unique characteristics that distinguish them from other types of muscle cells.
Centrally Located Nucleus
One of the key differences between cardiac muscle cells and striated muscle cells is the location of the nucleus. In striated muscle cells, the nucleus is located at the periphery of the cell, while in cardiac muscle cells, the nucleus is located in the center of the cell.
This central location of the nucleus in cardiac muscle cells allows for efficient communication between neighboring cells, which is essential for proper heart function.
Importance of Nucleus Location
The centrally located nucleus in cardiac muscle cells also plays a role in the regulation of gene expression. This is because the position of the nucleus affects the organization of chromatin and the accessibility of DNA to transcription factors.
In addition, the central location of the nucleus in cardiac muscle cells allows for the formation of intercalated discs, specialized structures that connect adjacent cells and allow for coordinated contraction of the heart.
Conclusion
In summary, cardiac muscle cells differ from striated muscle cells in having a centrally located nucleus. This unique characteristic is important for efficient communication between cells, regulation of gene expression, and proper heart function.
Cardiac muscle cells are specialized cells that make up the myocardium, the muscular wall of the heart. These cells have unique characteristics that distinguish them from other types of muscle cells.
Centrally Located Nucleus
One of the key differences between cardiac muscle cells and striated muscle cells is the location of the nucleus. In striated muscle cells, the nucleus is located at the periphery of the cell, while in cardiac muscle cells, the nucleus is located in the center of the cell.
This central location of the nucleus in cardiac muscle cells allows for efficient communication between neighboring cells, which is essential for proper heart function.
Importance of Nucleus Location
The centrally located nucleus in cardiac muscle cells also plays a role in the regulation of gene expression. This is because the position of the nucleus affects the organization of chromatin and the accessibility of DNA to transcription factors.
In addition, the central location of the nucleus in cardiac muscle cells allows for the formation of intercalated discs, specialized structures that connect adjacent cells and allow for coordinated contraction of the heart.
Conclusion
In summary, cardiac muscle cells differ from striated muscle cells in having a centrally located nucleus. This unique characteristic is important for efficient communication between cells, regulation of gene expression, and proper heart function.
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Cardiac muscle cells differ from striated muscle cells in having _______________.a)a centrally located nucleusb)different myofibrilsc)fewer mitochondriad)no sarcoplasmic reticulumCorrect answer is option 'A'. Can you explain this answer?
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