Question

In vertebrates, glycogen is stored chiefly in
(a) Heart and blood
(b) Spleen and stomach
(c) Bones and lymph
(d) Liver and muscles

Answer 1

Hint: Largest gland in the body and also an important organ that maintains blood glucose levels in the body. Important tissue in the body that helps in the movement of bones and other body parts.

Complete answer:
Generally, the glucose we take, breakdown by the insulin and produces ATP which is used as an energy source. If the glucose levels in the body are more than required, the excess glucose is sent to the liver or muscle cells. There it is converted into glycogen. The conversion of glucose into glycogen is called glycogenesis. Glycogen acts as a storage reserve for glucose and is stored in the liver or muscle cells.

Additional Information:
- Glucose is the main energy for the human body, mainly the human brain, so it is very important to maintain the normal glucose levels in the body.
- When we take carbohydrates such as glucose, it gets converted into glucose-6-phosphate and it is converted into pyruvic acid with the release of ATP by the process called glycolysis
-The excess glucose present in the body is sent into liver cells or muscle cells and there it is converted and stored in the form of glycogen. A small amount of glycogen is also stored in the human brain.
- Glycogen serves as the main glucose reserve during the time of starvation. It also helps in maintaining blood glucose levels.
-When the glucose levels in the blood decrease, glycogen present in the liver gets converted into glucose.
-The glycogen present in the muscles helps in the supply of glucose to muscles during high-intensity work.
So, the correct answer is ‘liver and muscles’

Note: -Glycogenolysis is a process of conversion of glycogen into glucose.
-Glycogenesis is a process of conversion of glucose into glycogen.
-Gluconeogenesis is a process of conversion of non-carbohydrate sources like lactate into glucose.