Question

Name three structures which are present in all eukaryotic cells, but absent in RBCs.

Answer 1

Nucleus, Mitochondria, Endoplasmic reticulum

* Absence of nucleus: Increases surface area volume ratio to absorb more oxygen, gives RBCs its biconcave shape.

* Absence of mitochondria: Prevents RBCs from using oxygen for themselves such that all the oxygen can be transported.

* Absence of endoplasmic
reticulum: Increases flexibility of RBCs.