Cell biology B1

• What is the nucleus?

  contains genetic material and controls the activities of the cell
• What is the Mitochondria?

  where respiration reactions take place. transfers the energy that cell needs to work
• What is cytoplasm?


  gel like substance where most of the chemical reactions happen, contains enzymes that control the chemical reactions
• What is cell membrane?


  holds the cell together and controls what goes in and out
• What are ribosomes?


  Where protein synthesis occurs
• what is the cell wall?

  a rigid layer made of cellulose which supports the cell and strengthens it
• What’s the permanent vacuole?

  it contains cell sap which is a weak solution of sugars and salts
• What are chloroplasts?


  where photosynthesis occurs which makes food for plant
• Chloroplasts contain chlorophyll which is a green substance which absorbs light needed for photosynthesis
• Bacteria cells don’t have chloroplasts or mitochondria