Answer to Question #170021 in Cell Biology for Jane Lee

Question #170021

You would describe the cells from which insulin is secreted and state the overall role of insulin in the body. In signalling pathways, each signal molecule has a receptor that it binds to, so you would indicate what the receptor for insulin is called and what immediate outcome the binding of insulin has to that receptor i.e. in the case of insulin, which regulates glucose uptake in the body, does the receptor directly interact with glucose or is it just part of a much larger signalling cascade.

Expert's answer

Insulin is the main source of hormonal regulation of the energy metabolism. It is produced by the β-cells of the pancreas in response to elevated blood glucose.Insulin helps your body turn blood sugar (glucose) into energy. It also helps your body store it in your muscles, fat cells, and liver to use later, when your body needs it.

Insulin receptor the receptor tyrosine kinase that plays essential roles in glucose metabolism and cell growth.

Glucose, a simple sugar, provides energy for cell functions. After food is digested, glucose is released into the bloodstream. In response, the pancreas secretes insulin, which directs the muscle and fat cells to take in glucose.

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