Question

Which one is a factor for maturation of erythrocytes?
A) Vitamin B12
B) Vitamin A
C) Vitamin D
D) Vitamin C

Answer 1

Hint: Erythrocytes are also known as RBCs. They are the most important cell present in the blood which contains haemoglobin which is responsible for the transport of oxygen and carbon dioxide in the body tissues. The RBCs mature by the help of vitamin which is stored in the liver and is transported to the bone marrow.

Complete answer:
Erythropoiesis is the process which produces RBCs. In this the erythropoietic stem cells mature into red blood cells. The process of erythropoiesis is triggered by erythropoietin. This hormone is produced during oxygen deficit. The process of erythropoiesis takes place in bone marrow where the RBC maturation takes place.

The process of erythropoiesis is carried out by the factor vitamin B12 and folic acid. This work in conjunction to produce mature RBC. In case of vitamin B12 deficiency, the DNA production is disturbed which results in abnormal production of RBC. Vitamin B12 is a water-soluble vitamin and acts as an important factor in various biochemical reactions going out in our body.
Vitamin A: It is a fat-soluble vitamin which is responsible for growth, maintenance of the immune system and development of our body.
Vitamin D: It is a fat-soluble enzyme which is responsible for maintaining strong bones.
Vitamin C: It is a water-soluble enzyme which is a potent antioxidant, helps in repair of body tissues and enzymatic activity in secretion of neurotransmitters.

Thus, the correct answer is option A.

Note: Mature RBCs are oval, biconcave disc-like and lack a nucleus. They can easily move through the blood vessels. The mature RBCs live for 120days. The cytoplasm of RBC contains haemoglobin. They carry oxygen.