Name: ____________________
Date: ________________
Notes: UNIT 4-2
“Cellular Respiration: From Food to ATP”
I.
Cellular Respiration

= process by which ____________ break down __________ molecules to produce _____
A. ____________ = no oxygen is required
1. Glycolysis
- means to ________ _________
- takes place in _____________ of a cell
- total ATP gained = _______
B. ____________ = oxygen is required
1. Citric Acid Cycle (also known as the ______ ______)
- takes place inside the _______________
- total ATP gained = _______
2. Electron Transport Chain
- takes place in the inner membrane of the ____________
- as electrons are passed down the chain, energy ________ & makes __________
- the final electron acceptor in the chain is __________ (reacts with H to make H 2O)
- without __________, proteins in chain cannot pass along the electrons, cannot accept
more electrons, and the entire chain is backed up
- total ATP gained = _______
Notes: UNIT 4-2
II.
Fermentation
- when cells are without ____________ for a short period of time, an anaerobic process
called ____________ begins
- does not require ____________
- allows ____________ to continue
Trial
Time (sec) OR # of Reps
1
2
3
A. Lactic Acid Fermentation
- lactic acid allows ____________ to continue
- ________ ______ builds up in muscle cells causing muscle fatigue
- total ATP = ______
B. Alcoholic Fermentation
- produces _______ and _______ _______
- Yeasts carrying out alcoholic fermentation are
responsible for:
1)
2)
- total ATP = ______