Insulin-like growth factor (IGF-1) is mainly secreted by which of the following organs?
A
Heart
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B
Brain
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C
Kidneys
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D
Liver
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Solution
The correct option is D Liver Insulin-like growth factor is mainly secreted by the liver. It is a protein hormone that helps in the growth and development of various cells and tissues in the body.
The genes that alter the formation of IGF-1 have been transferred to animals so as to create transgenic animals. This is done in order to study the biological role of IGF-1 in the body.