Locomotion and MovementEasy
Question
Which one of the following pairs of chemical substances, is correctly categorised ?
Options
A.Secretin and rhodopsin - Polypeptide hormones
B.Calcitonin and thymosin -Thyroid hormones
C.Pepsin and prolactin - Two digestive enzymes secreted in stomach
D.Troponin and myosin - Complex proteins in striated muscles
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