Transport of ions and molecules
Plasma membrane
Recognition
Plasma membrane
DNA synthesis and repair
Nucleus
Receptors for small and large molecules
Plasma membrane
RNA synthesis
Nucleus
Cell morphology and movement
Plasma membrane
RNA processing and ribosome synthesis
Nucleolus
Membrane synthesis
Endoplasmic reticulum
Synthesis of proteins and lipids for some
Endoplasmic reticulum
Modification and sorting of proteins for
incorporation into organelles and for export
Golgi apparatus
Lipid synthesis
Endoplasmic reticulum
Detoxication reactions
Endoplasmic reticulum
Export of proteins
Golgi apparatus
Energy conservation
Mitochondria
Cellular digestion: hydrolysis of proteins,
carbohydrates, lipids, and nucleic acids
Lysosomes
Cellular respiration
Mitochondria
Oxidation of carbohydrates and lipids
Mitochondria
Oxidative reactions involving O2
Peroxisomes
Utilization of H2O2
Peroxisomes
Cell cytoskeleton
Microtubules and microfilaments