pt 2

• Cytosol


  Semi-liquid substance within the cell
• Cytoplasm


  jelly-like fluid found within the cell
• Nucleus


  • Largest organelle in many cells
  • Typically 10 um in diameter
  • Contains most of the cell's DNA
• Cell division


  1. DNA condenses

  2. Forms short thread-like structures called chromosomes
• Chromatin


  Mixture of DNA and proteins called histones
• Nucleolus


  Site of ribonucleic acid (RNA) synthesis
• Ribosomes are made in the cytoplasm using RNA from the nucleus
• the nucleus is the control centre of the cell
• The nucleus contains genetic material, which controls all activities within the cell.