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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
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B
A: RBC; B: WBC
B has no nucleus
B has to produce more antibodies to fight against the disease
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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
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D
A: WBC; B: RBC
A has no nucleus
B has to produce more antibodies to fight against the disease
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Solution

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.

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