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What is the role of the nucleus in the cell?
Site of respiration
Where chemical reactions take place
Controls cell activities
Site of protein synthesis
Controls entry and exit of substances in the cell
What is the role of the cytoplasm in the cell?
What is the role of the cell membrane in the cell?
What is the role of mitochondria in the cell?
What is the role of ribosomes in the cell?
Which of these is made of cellulose and is used for strengthening the plant cell?
Which of these contains chlorophyll and is the site of photosynthesis?
Which of these is filled with sap and is used to keep the cell rigid?
Which of the following features are typical of bacterial cells?
Contains genetic information in the nucleus
Has flagella for movement
Forms colonies which can be seen with the naked eye
Reproduces by asexual budding
Contains genetic information in plasmids
Can anaerobically respire to form ethanol
Which of the following features are typical of yeast cells?
Forms colonies that can be seen with the naked eye
True or false? Cone cells need many mitochondria as they use the energy to re-form the visual pigment that helps us to see in colour.
True or false? Root hair cells have a very small permanent vacuole to speed up osmosis of water.
True or false? Fat cells are very rigid and cannot expand - this helps them to increase the storage space of fat.
True or false? Sperm cells contain an acrosome full of digestive enzymes which is used to fertilise ova.
True or false? If the concentration of glucose inside a cell is lower than outside it, glucose will diffuse out of the cell.
True or false? Diffusion is a passive process requiring no input of energy.
Which of these tissues are found in animals?
Which of these tissues are found in plants?
Which of these levels of organisation is the most complex?
Which of these is the correct order of the organs in the digestive system?
Mouth-Salivary glands-Oesophagus-Pancreas-Liver-Stomach-Large intestine-Small intestine-Rectum-Anus
Mouth-Salivary glands-Oesophagus-Stomach-Liver-Pancreas-Small intestine-Large intestine-Rectum-Anus
Mouth-Salivary glands-Stomach-Oesophagus-Small intestine-Liver-Pancreas-Rectum-Large intestine-Anus