Question

Adult human RBCs are enucleated. Which of the following statement(s) is/are the most appropriate explanation for this feature?
(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolise
(d) All their internal space is available for oxygen transport

• A. Only (a)
• B. (a), (c) and (d)
• C. (b) and (c)
• D. only (d)

Answer 1

The correct option is D only (d)

The most appropriate answer here would be adult human RBCs are enucleated so that it allows the cell to have its distinctive biconcave shape which aids diffusion. Since this option is not given the next appropriate option will be so that all the RBC internal space is available for oxygen transport.
The RBCs are somatic cells and they cannot reproduce since they lack DNA but these do statements do not appropriately the purpose of RBCs being enucleated.