Anearobic respiration and respiratory substrates

HideShow resource information
  • Created by: vezting
  • Created on: 26-04-16 16:54
View mindmap
  • anaerobic respiration and respiratory substrates
    • lactate fermentation
      • 1: reduced NADH from glycolysis transfers H  to pyruvate
      • 3: this forms  lactate and NAD. NAD can be re-used in glycolysis
      • 2: lactate dehydrogenase oxidises NADH
    • alcoholic fermentation
      • 1: CO2 is removed from pyruvate to from ethanal by decarboxylase enzyme
      • 2: NADH from glycolysis transfers hydrogen to ethanal to form ethanol and NAD by ehtanol dehydrogenase
      • 3: NAD can be re-used in glycolysis
    • respiratory substances
      • a respiratory substrate is any biological molecule that can be broken down in respiration to relase energy
      • cells respire glucose, but they also respire carbohydrates, lipids and proteins
      • different respiratory substrates enter respiration at different points
      • Glucose enters respiration at glycolysis
      • proteins and lipids enter respiration at the krebs cycle
    • respiratory quotients
      • it is useful because you can work out what molecule they are respiring and what type of respiration it is
      • it is the volume of CO2 produced when that substrate is respired, divided by volume of oxygen consumed
      • it has to be done in a set period of time
      • it can be measure in voilume or molecules


No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Cellular processes resources »