Expression of many genes in cells are requlated Housekeeping genes expressed constitutively, essential for basic processes involving in cell replication and growth. Inducible genes expressed only when they are activated by inducers or cellular factors
Cytoplasmic Membrane System or Cytomembranes Internal Membrane or Endomembrane System(EMS) Includes: nuclear envelopes, endoplasmic reticulum (ER), Golgi complex(GC), lysosomes and a variety of vesicles or vacuoles. Although each of these membranous organelles has its own distinct structure