Which of the following can be crystallized?

Give the chemical composition and functions of plasma membrane and cell wall. Differentiate between the two.

What would happen if the plasma membrane ruptures or breaks down?

What is a nucleoid?

$(i)$ Draw a diagram of a prokaryotic cell and label the following parts on it: Cell wall,ribosome,nucleoid,plasma membrane.
$(ii)$ Why are organisms like bacteria called prokaryotes?

Why is endocytosis found in animals only?