respiration

• What is respiration?

  A chemical reaction that releases energy from glucose which goes on in every cell
• Why is respiration exothermic?

  It transfers energy to the environment
• Uses of respiration

  to build larger molecules from smaller ones

  to allow animals to move

  to allow mammals and birds to keep warm
• What does aerobic mean?

  with oxygen
• Where does aerobic respiration take place in cells?

  mitochondria
• Word equation for aerobic respiration in animals

  glucose + oxygen --> carbon dioxide + water
• balanced chemical equation for aerobic respiration

  C6H12O6 + 6O2 -> 6CO2 + 6H2O
• anaerobic respiration

  respiration that does not require oxygen
• Where does anaerobic respiration happen?


  cytoplasm
• anaerobic respiration word equation

  glucose -> lactic acid
• Why does anaerobic respiration occur?

  there is not enough oxygen being supplied
• why does anaerobic respiration produce less energy

  Glucose is not completely broken down, so much less energy is released than during aerobic respiration
• anaerobic respiration in yeast and plants word equation

  Glucose --> ethanol + carbon dioxide
• What is another name for anaerobic respiration in yeast and plants

  fermentation