biology 0.0 / 5 ? BiologyCells, tissues and organsGCSEAQA Created by: xoxoxxoCreated on: 29-09-15 17:24 What is the function of a cell's nucleus? The nucleus controls the activities of the cell. An individual cell does not have a brain. 1 of 9 What is the function of the ribosomes? To act as the site for protein synthesis 2 of 9 found in plant cells but not in animal cells? Cell wall 3 of 9 Which part is missing from human red blood cells? Nucleus 4 of 9 What is diffusion? The movement of particles from high concentration to low concentration 5 of 9 Which change would NOT speed up diffusion in an animal cell? Making the cell membrane thinner and moving the blood supply closer would speed up diffusion. 6 of 9 Which substance moves out of respiring cells? Carbon dioxide moves out of respiring cells. Oxygen moves into respiring cells. 7 of 9 How are bacterial cells different from animal cells? Bacterial cells have a cell wall and no nucleus; animal cells have a nucleus but no cell wall. 8 of 9 How are yeast cells different from bacterial cells? Yeast cells have a nucleus but bacterial cells do not. Yeast cells and bacterial cells do not have vacuoles 9 of 9
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