cellular respiration in words

Question 1

Glycolysis in words

Answer 1

Initial C formation: glucose
1. P(i) added (x2)
2. 6-C sugar cleaved to a 3-C sugar
3. redox (NAD+ reduced to NADH)
4. P(i) added (x2)
5. P group removed (ATP produced)
6. rearrange (release of H2O)
7. P group removed (ATP produced)
final C formation: pyruvate

Question 2

Link Reaction in words

Answer 2

Initial C Formation: pyruvate
1. Pyruvate enters mitochondria
2. decarboxylation
3. CO2 lost
4. redox (NAD+ reduced to NADH)
5. addition of CoA
Final C Formation: acetyl CoA

Question 3

Citric Acid Cycle/Krebb Cycle in words

Answer 3

Initial C Formation: oxaloacetate 
1. add of acetyl CoA (citrate)
2. redox (NAD+ reduced to NADH) (x2)
3. CO2 lost (x2)
4. P(i) added (ATP/GTP produced)
5. redox (FAD reduced to FADH2)
6. redox (NAD+ reduced to NADH)
Final C Formation: oxaloacetate

Question 4

Oxidative Phosphorylation

Answer 4

Initial e- source: NADH/FADH2
1. redox protein 1 (+ to IS)
2. redox protein 2 (+ to IS)
3. redox protein 3 (+ to IS)
4. redox protein 4 (+ to IS)
Final e- receiver: O2

Question 5

Protons move down gradient (into Matrix) through ____ to produce ____

Answer 5

ATP synthase; ATP (about 32)