A. Mesosomes in prokaryotes helps in cell wall formation, DNA replication and distribution to daughter cells.
B. Endoplasmic reticulum is of two types rough endoplasmic reticulum helps in synthesis of proteins and smooth endoplasmic reticulum helps in synthesis of lipids.
C. Lysosomes helps in digesting carbohydrates, proteins, lipids and nucleic acids.
D. Golgi apparatus helps process, package and transport of materials for secretions.