cell structure

• what are two types of eukaryotic cells?

  animal and plant
• what type of cells are bacteria?

  Prokaryotic
• where is dna found in the animal and plant cells?

  nucleus
• what is the function of the cell membrane?

  controls the movement of substances in and out of cells
• what is the function of the nucleus?

  contains dna
• what is the function of the mitochondria?

  energy release though respiration
• what is the function of ribosomes?

  protein synthesis
• what is the function of the cytoplasm?

  chemical reactions
• what is the function of the permeant vacuole?

  contains cell sap
• what is the function of chloroplasts?

  Photosynthesis
• what is the function of the cell wall?

  protection

  strengthens the cell
• what was the structure of the main genetic material in a prokaryotic cell?

  single loop of dna
• how are light and electron microscopes different?

  • electron microscopes uses beams of electrons. light microscopes uses light
  • electron microscopes can be used to see non living samples. light microscopes can
  • electron microscopes have a higher resolution and zoom. light microscopes have a lower resolution and zoom
• what is the function of a red blood cell?

  carries oxygen around the body
• adaptations of red blood cells

  • no nucleus
  • red pigment (haemogoblin)
  • bi-concave disc shape
• what is the function of a nerve cell?

  carries electrical impulses around the body
• adaptations of nerve cells

  • branched endings
  • myelin sheath insulates the axon
• what is the function of the sperm cell?

  fertilise an ovum (egg)
• adaptations of sperm cells

  • tail
  • contains a lot of mitochondria
• what is the function of a palisade cell?

  carries out photosynthesis in a leaf
• adaptations of a palisade cell

  • lots of chloroplasts
  • located at the top surface of the leaf
• what is the function of the root hair cell?

  absorb minerals and water from soil
• adaptations of root hair cells

  • long projection
  • lots of mitochondria