BIOMOLECULES AND ENZYMES

BIOLOGY

HORMONES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which are TRUE about insulin? (2)
A
it is secreted by alpha (
B
it is secreted by beta (
C
it causes an uptake of glucose into cells all over the body
D
it causes enzymes to convert glycogen and amino acids into glucose
Explanation: 

Detailed explanation-1: -Additionally, insulin promotes the uptake of circulating glucose into its target tissues, such as skeletal muscle and fat tissue, and thereby reduces the blood glucose level.

Detailed explanation-2: -Insulin stimulates glucose transport into these tissues by causing the recruitment, or translocation, of GLUT4 proteins from an intracellular vesicular compartment to the plasma membrane. Once GLUT4 recruitment occurs, the transporter inserts into the plasma membrane, allowing uptake of glucose into the cell.

Detailed explanation-3: -Insulin regulates the uptake of sugar into the cells, ” explains Stuart Weinzimer, MD, pediatric endocrinologist at Yale Medicine. In other words, insulin’s job is to move glucose into cells, where it’s used for energy. It also helps store unused glucose in your liver, fat, and muscles for future energy needs.

Detailed explanation-4: -Regulate blood sugar levels. After you eat, carbohydrates break down into glucose, a sugar that is the body’s primary source of energy. Glucose then enters the bloodstream. The pancreas responds by producing insulin, which allows glucose to enter the body’s cells to provide energy.

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