Respiration

Question 1

Glycolysis

Answer 1

glucose is broken down into pyruvate. Net production: 2 ATP, 2 reduced NAD

Question 2

Link reaction

Answer 2

pyruvate is converted into Acetyl CoA. Net production: 2 reduced NAD, 2 CO2

Question 3

krebs cycle

Answer 3

Acetyl CoA is introduced into a cycle by binding with a 4C carbon to make a 6C carbon. This cycle results in the net production of 1 ATP, 6 reduced NAD, 2 reduced FAD, 4 CO2

Question 4

Oxidative phosphorylation

Answer 4

the reduced NAD and reduced FAD are oxidised to give H+ ions and electrons to allow the H+ ions to be pumped into the Intermembrane space. The H+ ions diffuse out of the imtermembrane space back into the matrix through ATP synthase (chemiosmosis)

Question 5

Matrix

Answer 5

area within the inner membrane of a mitochondria

Question 6

Lactate fermentation

Answer 6

Occurs in mammals. pyruvate is turned into lactate. 1 reduced NAD is oxidised to NAD

Question 7

Alcoholic fermentation

Answer 7

Occurs in yeast cells. pyruvate turned into ethanal (1 CO2 produced). Ethanal turns into ethanol (1 reduced NAD oxidised to NAD)