Study

A Level Respiration

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  • If the beans absorb oxygen for respiration, which direction will the red line move?
    left/towards the beans
  • Pyruvate loses a carbon - what is the name of this process?
    decarboxylation
  • Where does glycolysis happen?
    cytoplasm
  • What is the hydrogen acceptor in respiration?
    NAD (becomes NADH/reduced NAD)
  • Where does the krebs cycle happen?
    mitochondrial matrix
  • What is the end product of the link reaction?
    Acetyl/Acetate (and/or acetyl Co A)
  • Acetyl combines with which 4C molecule in the krebs cycle?
    Oxaloacetate
  • Where does the electron transport chain happen?
    Inner mitochondrial membrane / cristae
  • What is the name for the process where hydrogen is removed from a molecule?
    dehydrogenation
  • What is the name of the 6c molecule in the krebs cycle?
    citrate
  • What is the role of oxygen in oxidative phosphorylation?
    Oxygen is the final electron acceptor
  • Which process is the rapid diffusion of Hydrogen ions across the membrane?
    Chemiosmosis
  • What is the name of the process where a molecule donates a phosphate to ADP?
    substrate level phosphorylation
  • What components make up one molecule of ATP?
    Ribose, Adenine and three phosphates
  • What is the purpose of the soda lime in this experiment?
    Absorb CO2
  • What is the energy from electrons in the electron transport chain used for?
    pump hydrogen ions into inter membrane space
  • What is the end product of glycolysis in aerobic respiration?
    two pyruvate molecules
  • What is the end product of glycolysis in anaerobic respiration?
    lactic acid
  • Which hydrogen ion acceptor do we only find in the krebs cycle?
    FAD (to make reduced FAD or FADH)
  • In the krebs cycle, how many ATP are made per glucose molecule?
    2
  • How many molecules of ATP are made in glycolysis?
    Gross 4 - Net 2
  • What molecule is made when two posphates are added to glucose?
    Hexose-bis-phosphate
  • What happens to the hydrogen ions and electron ions?
    combine with oxygen to form water
  • What is the name of the enzyme on the stalked particle in oxidative phosphorylation?
    ATP synthase