Multiple choice

The effect of insulin is to ______.

  1. lower the level of glucose in the blood by stimulating glycogenesis in the liver and in the muscles

  2. inhibit gluconeogenesis in the river

  3. promote the uptake of amino acids into cells and prevent the breakdown of fat and protein in tissues, such as fat cells and muscles

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Insulin has multiple metabolic effects: it lowers blood glucose by promoting glycogenesis (glucose storage as glycogen) in liver and muscle; inhibits gluconeogenesis in the liver; promotes cellular uptake of amino acids; and prevents breakdown of fat and protein in adipose tissue and muscles. Since options A, B, and C are all valid insulin actions, 'all of the above' is correct.

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