1.

Which one of the following pairs of chemical substance, is correctly categorized ?A. Troponin and myosin - Complex proteins in striated musclesB. Secretin and rhodopsin - Polypeptide hormonesC. Calcitonin and thymosin - Thyroid hormonesD. Pepsin and prolactin - Two digestive enzymes secreted in stomach

Answer» Correct Answer - A


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