+2 votes
in Social Science by kratos

Which one of the following pairs of chemical substances is correctly categorized?

(a) Calcitonin and thymosin - Thyroid hormones

(b) Pepsin and prolactin - Two digestive enzymes secreted in stomach

(c) Troponin and myosin - Complex proteins in striated muscles

(d) Secretin and rhodopsin - Polypeptide hormones

1 Answer

+2 votes
by kratos
 
Best answer

Correct option: (c) Troponin and myosin - Complex proteins in striated muscles

Explanation:

Troponin is a protein which is found on actin filament and myosin protein is found in myosin filament. Both actin and myosin are complex proteins in striated muscles.

Thymosin is a hormone secreted by the thymus that stimulates development of Tcells. Prolactin is a hormone released by the pituitary gland that stimulates ** development and milk production in *****. Rhodopsin, also known as visual purple, is not a hormone. It is a biological pigment in photo receptor cells of the retina that is responsible for the first events in the perception of light.

...