The site of action of insulin is

The site of action of insulin is
  1. mitochondria
  2. nucleus
  3. plasma membrane
  4. DNA

Solution

Insulin is an hormone, secreted by pancreas. It is transported to different body parts by the blood stream. It maintains glucose level in blood and glucose metabolism. Thus, its site of action is plasma membrane.

Asked in: AP EAMCET 2012

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