Question

The given image shows two types of cells, A and B. Identify the names of the cells. Which one has no nucleus? Why will one of these cells lose its nucleus?

• A. A: RBC; B: WBC
  A has no nucleus
  A has to accommodate more haemoglobin so that it can transport more oxygen
• B. A: RBC; B: WBC
  B has no nucleus
  B has to produce more antibodies to fight against the disease
• C. A: RBC; B: WBC
  A has no nucleus
  A has to accommodate more carbon dioxide so that it can show a higher rate of respiration
• D. A: WBC; B: RBC
  A has no nucleus
  B has to produce more antibodies to fight against the disease

Answer 1

The correct option is A A: RBC; B: WBC

A has no nucleus
A has to accommodate more haemoglobin so that it can transport more oxygen
A is RBC, and B is WBC.
The RBC will lose its nucleus during the phase of maturation. RBCs are produced in the bone marrow and they have a nucleus when they are initially produced. Later, they lose their nucleus to accommodate more haemoglobin so that they can transport more oxygen. Therefore, they are still considered as cells.