Why are mitochondria referred to as 'strange organelles'?

Give differences between diffusion and osmosis.

Which of the following can be made into crystal?

The Endoplasmic Reticulum membrane is similar in structure to the

If cells of onion peel and $RBC$ are separately kept in a hypotonic solution,what among the following will take place? Explain the reason for your answer.
$(a)$ Both the cells will swell.
$(b)$ $RBC$ will burst easily while cells of onion peel will resist the bursting to some extent.
$(c)$ Both $(a)$ and $(b)$ are correct.
$(d)$ $RBC$ and onion peel cells will behave similarly.

Write two similarities and one dissimilarity between mitochondria and plastid.