AIPMT MAINS 2012 Zoology Muscle Contraction MCQ Question
Which one of the following pairs of chemical substances, is correctly categorised?
Calcitonin and thymosin - Thyroid hormones
Pepsin and prolactin - Two digestive enzymes secreted in stomach
Troponin and myosin - Complex proteins in striated muscles
Secretin and rhodopsin - Polypeptide hormones
Correct Answer
Detailed Explanation
Troponin is a protein found on actin filament and myosin protein is found in myosin filament. Both actin and myosin are complex proteins in striated muscles.
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