ATP Cellular Respiration

							                                                The purpose of cellular
                                                respiration is to
    Cellular                                    harvest electrons from
                                                organic compounds,
   Respiration                                  such as glucose, and
                                                use that energy to
                                                make a molecule
                                                called ATP



ATP is
                                                                         Bonds formed
Adenosine
 riphosp
Triphosphate
                                                                 ATP is a molecule
                                                                 that stores energy
                                                                 when its bonds are
                                                                 made – and
                                                                 releases energy
                                                                 when its bonds are
     1             3                                             broken
            2
                                                  Bonds broken




                                                Occurs in the
                                                mitochondria of both
This is a constant cycle in your body to give   animals and plants.
    you ATP (energy) when you need it.




                                                                                        1
                             Reaction Equation


Aerobic: process
 which requires              REACTANTS           PRODUCTS
    oxygen




Three Stages:                2.Kreb’s Cycle
1.Glycolysis
                              • occurs in the
 • Occurs in the cytoplasm
                               mitochondria
 • Anaerobic process
 • Is the “splitting of       • aerobic
   glucose”
   glucose”
                               process
 • Net of 2 ATP




3.Electron                         Reactants
 Transport Chain
                             • Glucose         (C6H12O6)
•   occurs in mitochondria
• aerobic process            • Oxygen          (aerobic)
                              this is why you breath in (inhale)
• produces the bulk of the
      (32-
 ATP (32-34 ATP)




                                                                   2
        Products
• Energy         (36 ATP)
                     ATP)             Anaerobic: Lactic
                                      Acid Fermentation
• Byproducts
                                      – occurs due to an
 • water
                                      oxygen debt (like when
 • carbon dioxide      (this is why    you are exercising and breathing
 you exhale)                                    REALLY hard)




• Glycolysis only                           Plants are
• Makes: 2 ATP +                            different…
               lactic acid

  Toxic – harmful to
cells (makes you sore)




they don’t make                       Fermentation
lactic acid…                          makes…




                                                                          3
                                          Summary

                 alcohol           Aerobic
                                   Respiration…




                                                    • lots of ATP
                                                    • endurance
                                                    • no harmful
                                                    effects


everyday life and activity level




Fermentation
(anaerobic)…


                                   Times that you are low on O2 – like
                                                sprinting




                                                                         4
• little
ATP
• short
bursts of
energy
• makes
bad stuff




            5