Explain the various ways in which a typical cell is adapted to its functions

A typical cell have the following features:

cell labeled

  • Has a cell membrane with pores: that regulates substances entering and leaving the cell; cytoplasm
  • Contain sugars and salts: for maintaining its osmotic pressure also has a liquid medium; for all biochemical reactions.
  • Nucleus: contain chromosomes having hereditary material and controls all the activities of the cell.
  • Ribosomes : are sites for protein synthesis.
  • Golgi bodies/apparatus: for secretion of hormones, enzymes and formation of lysosomes.
  • Lysosomes contain lytic enzymes for breaking down worn-out organelles.
  • Secretory vesicles: formed from golgi apparatus for secreting substances;
  • Smooth endoplasmic reticulum: synthesizes and transports lipids;
  • Rough endoplasmic reticulum: transport proteins.
  • Nucleolus: controls the activities of the nucleus, produces ribosomes
  • Mitochondria form sites for energy production;
  • Centrioles formation of cilia and flagella, forms spindle fibres used in cell division.
  • Plant sap vacuoles: store salts and other dissolved substances, controls osmotic pressure and turgidity of cells.
  • Food vacuoles involved in digestion of engulfed food.
  • Chloroplasts: form sites for photosynthesis in plant cells.

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