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Adult human RBCs are enucleate. Which of...

Adult human RBCs are enucleate. Which of the following statement (s) is/are most appropriate explanation for this feature ?
(1) They do not need to reproduce
(2) They are somatic cells
(3) They do not metabolise
(4) All their internal space is available for oxygen transport.

A

Only (1)

B

(1),(3) and (4)

C

(2) and (3)

D

only (4)

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The correct Answer is:
D
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