Question

nucleus is not present in a. RBC b.WBC c. epithrial cell​

Answer 1

Answer:

a. RBC.

Explanation:

Blood cell without a nucleus is red blood corpuscles. Mature RBC does not have any nucleus and cell organelles in them they degenerate when the RBC is fully matured. Mature red blood cells which do not have a nucleus are called Red blood corpuscles because they lack cell organelles.

So, the correct answer is 'Red blood corpuscles'.

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Answer 2

(A) RBC
They lack nucleus because they are used to carry respiratory gases.