B2.1 Cells and Cell Structures

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  • Created by: em24601
  • Created on: 24-04-14 22:47

1. What does the Mitochondria do?

  • filled with cell sap in plant cells and structural support
  • controlls the passage of substances in and out of the cell
  • where most of the chemical reactions take place
  • where protein snythesis occurs
  • controlls the activities of the cell
  • where most energy is released in respiration
  • made of cellulose and strengthens plant cells
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2. Which of these is NOT present in a bacterial cell?

  • Flagella
  • Cytoplasm
  • Plasmids
  • Ribosomes
  • Cell wall
  • Cell membrane
  • Genetic material

3. A root hair cell is specialised for it's job because...

  • it has a tail to swim
  • it has many choloroplasts
  • it has a large surface area
  • it can change it's shape
  • it has a long nerve fibre

4. What does the Ribosomes do?

  • controlls the passage of substances in and out of the cell
  • where protein snythesis occurs
  • where most of the chemical reactions take place
  • where most energy is released in respiration

5. What comes next? Cell ---> Tissue ---> ? ---> ? ---> Whole body

  • organ, organ system
  • organ, tissue
  • organism, organ system
  • organ system, organ
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