Download Objective:

Objective: To be able to describe
cellular respiration, lactic acid and
alcohol fermentation.
To be able to describe cellular
respiration.
Cellular Respiration
6O2 + C6H12O6 6CO2 + 6H2O + energy
Releases energy by breaking down glucose and
other food molecules when oxygen is
present.
To be able to describe cellular
respiration.
Glycolysis
Process when glucose is broken in half
to produce 2 molecules of pyruvic acid
(3 Carbon molecules)
To be able to describe cellular
respiration.
ATP
has to invest 2 ATP in the beginning
gets 4 back at the end
net gain= 2 ATP
To be able to describe cellular
respiration.
NADH
During glycolysis 4 high-energy electrons are
passed to a carrier called NAD+ this is
converted into NADH
Glycolysis does not require oxygen!!
To be able to describe fermentation.
Fermentation- No Oxygen (anaerobic)
releases energy from food molecules w/o
oxygen
Two Types:
Alcoholic Fermentation and Lactic Acid
Fermentation
To be able to describe alcohol
fermentation.
Alcoholic Fermentationpyruvic acid + NADH alcohol +CO2+ NAD+
Causes bread to rise
To be able to describe lactic acid
fermentation.
Lactic Acid Fermentationpyruvic acid converted to lactic acid and
regenerates NAD+
pyruvic acid+ NADH lactic acid + NAD+
sore muscles when exercise and not enough
O2 is available
burning sensation