MUSCLE
SMOOTH MUSCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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No Z disks
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Cardiac
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Smooth
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Skeletal
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None of the above
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Explanation:
Detailed explanation-1: -Smooth muscle cells do not contain the sarcomeres found in skeletal and cardiac muscle and therefore appear unstriated under a light microscope. Smooth muscle cells are unstriated because there is no regular arrangement of actin and myosin filaments.
Detailed explanation-2: -Smooth muscle does not contain the protein troponin; instead calmodulin (which takes on the regulatory role in smooth muscle), caldesmon and calponin are significant proteins expressed within smooth muscle.
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