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Ch 8
Cellular Respiration
58
Biology
Undergraduate 1
03/28/2011

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Term
Oxidation
Definition
Loss of electrons
Term
Reduction
Definition
Gain of electrons
Term
Where does Glycolysis take place in a Eukaryotic cell?
Definition
Outside the Mitochondria, IN Cytoplasm
Term
Does Glycolysis require Oxygen?
Definition
No
Term
How many NADH molecules are formed during prep reaction?
Definition
2
Term
During glycolysis is glucose continually oxidized or reduced?
Definition
Oxidized
Term
How many molecules of ATP are required to activate glucose?
Definition
2
Term
What is the 3-carbon compound that glucose breaks down into ?
Definition
G3P
Term
How many ATP molecules form from substrate level ATP synthesis during these oxidation steps?
Definition
36
Term
What are the end products of glycolysis?
Definition
2 Pyruvate molecules
Term
Pyruvate enters _______ after formed by glycolysis.
Definition
Mitochondrial Matrix
Term
1 of 3 of Pyruvate's carbon atoms is lost in the from of gas called?
Definition
Carbon Dioxide
Term
How many Carbon Dioxide molecules are produced from the complete breakdown of glucose?
Definition
6
Term
How many of 6 Carbon Dioxide molecules are formed during the Prep Reaction per 1 glucose molecule?
Definition
2
Term
How many Carbon atoms are in an acetyl group?
Definition
2
Term
What is Pyruvate converted to in the Krebs Cycle?
Definition
Coenzyme A (CoA)
Term
2 Acetyl + 4 Oxatoacetate ---> ?
Definition
Citrate
Term
What is the most important way to produce ATP?
Definition
Oxidative Phosphorylation
Term
How many carbon atoms does oxaloacetic acid have?
Definition
4
Term
How many of 6 Carbon Dioxide molecules are formed during the Citric Acid cycle per one glucose molecule?
Definition
4
Term
How many NADH are formed during the Citric Acid cycle per one glucose molecule?
Definition
6
Term
How many FADH2 are formed during the Citric acid Cycle per one glucose molecule?
Definition
2
Term
How many ATP's form from substrate level ATP synthesis during the Citric Acid cycle?
Definition
2
Term
Where does the Citric Acid Cycle take place?
Definition
In the Mitochondrial Matrix
Term
Electron Transport Chain + Chemiosmosis= ?
Definition
Oxidative Phosphorylation
Term
What is the last molecule to accept electrons from the ETC?
Definition
Oxygen
Term
Where are the proteins located on the ETC?
Definition
On the Cristae
Term
Where does the energy pump protons from the matrix into ?
Definition
Into the Intermembrane Space
Term
Protons from the intermembrane space will move back to the matrix through a protein called?
Definition
ATP synthase complex
Term
When protons use ATP synthase to move back to the matrix from the intermembrane space which molecule do they form?
Definition
ATP
Term
When oxygen is reduced what is its product?
Definition
H2O
Term
When Glucose is Oxidized what is its product?
Definition
Carbon Dioxide
Term
Chemiosmosis
Definition
The movement of H+ ions back into the matrix by Facilitated Transport
Term
During Cell Respiration which reaction makes more ATP: Substrate-level ATP synthesis OR Oxidative Phosphorylation?
Definition
Oxidative Phosphorylation
Term
Does the Prep reaction make FADH2?
Definition
No
Term
For each FADH2 made during the Citric acid cycle that donates electrons to the ETC, chemiosmosis of protons across ATP synthase generates how many ATP molecules?
Definition
2
Term
For each NADH made during prep reaction and Citric acid cycle that donates electrons to the ETC, chemiosmosis of protons across ATP synthase generates how many ATP molecules?
Definition
3
Term
For each NADH made during Glycolysis that donates electrons to the ETC chemiosmosis of protons across ATP synthase generates how many ATP molecules?
Definition
2 (Note this is only for regular cells)
Term
When NADH and FADH2 donate electrons to the ETC are they being oxidized OR reduced?
Definition
Oxidized
Term
Does Fermentation require oxygen?
Definition
No
Term
Is the breakdown of Glucose an exergonic OR endergonic reaction?
Definition
Exergonic
Term
In human bodies pyruvate made in glycolysis will be reduced to from what compound?
Definition
Lactate
Term
What does catabolism do?
Definition
Breaks down molecules- A degradative reaction
Term
What does anabolism do?
Definition
Builds molecules- a synthetic reaction
Term
Is catabolism exergonic OR endergonic?
Definition
Exergonic
Term
Is anabolism exergonic OR endergonic?
Definition
Endergonic
Term
What is the process that removes the amino group from an amino acid called?
Definition
Deamination
Term
Can your body make all 20 amino acids?
Definition
No
Term
What are amino acids that are not able to be synthesized by your body but must be supplied by your diet called?
Definition
Essential amino acids
Term
What is the balanced reaction for Cellular Respiration?
Definition
C6H12O6+6O2-->6H2O+6CO2+ATP
Term
Where is the ETC in oxidative phosphorylation?
Definition
On the Cristae
Term
Where is the hydrogen ion gradient in oxidative phosphorylation?
Definition
Intermembrane Space
Term
Where is the ATP synthase during oxidative phosphorylation?
Definition
Cristae/Innermembrane
Term
Which coenzymes are reduced in oxidative phosphorylation?
Definition
NAD+ and FAD
Term
Which high energy molecules are formed by the reduction of NAD+ and FAD?
Definition
NADH and FADH2
Term
During oxidative phosphorylation what happens to NADH and FADH2?
Definition
Donate electrons to ETC
Term
When hydrogen ions are moved by Chemiosmosis what transport is required?
Definition
Facilitated
Term
Does Glycolysis require oxygen?
Definition
No
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