The contribution of cytoplasmic $DNA$ in cells to total $DNA$ is

Read the following statements carefully:
$(A)$ Lipid component of the plasma membrane mainly consists of phosphoglycerides.
$(B)$ Polar molecules can pass through the lipid bilayer of plasma membrane,therefore they do not require carrier proteins to facilitate their transport.
$(C)$ Secondary wall is capable of growth and it is formed on the outer side of the cell.
$(D)$ Quasifluid nature of lipid enables lateral movement of proteins within the overall lipid bilayer of plasma membrane.
$(E)$ Middle lamella glues the different neighbouring cells together.
How many statements are incorrect?

Which of the following is an endomembrane system component?

Which group of cell organelles contains $DNA$?

In which of the following are porins found?

In an animal cell,protein synthesis occurs on: