6 Energy in Cells: Respiration and Oxidative Phosphorylation

Question 1

systematic structure of glucose metabolism

Answer 1

glycolysis –> pyruvate oxidation –> citric acid cycle –> oxidative phosphorylation

Question 2

glucose metabolism formula

Answer 2

C6H12O6 + 6O2 –> 6CO2 + 6H2O + Energy

Question 3

oxidation is

Answer 3

loss of e-

Question 4

reduction is

Answer 4

gain of e-

Question 5

glycolysis is breaking glucose into

Answer 5

pyruvate and water

Question 6

net products of glycolysis

Answer 6

glucose –> 2 pyruvate and 2 H2O
4 ATP formed - 2 ATP used –> 2 ATP
NAD+ –> 2 NADH and 2 H+

Question 7

what r the problems w products of glycolysis

Answer 7

1. what to do with pyruvate
2. how to regenerate NAD+ to run glycolysis on more glucose

Question 8

ways to deal with problems of products of glycolysis

Answer 8

1. fermentation
2. respiration

Question 9

fermentation

Answer 9

reduce pyruvate and regenerate NAD+
is anaerobic: does not require Oxygen

Question 10

two types of fermentation

Answer 10

alcohol and lactate fermentation

Question 11

after pyruvate oxidation

Answer 11

transport pyruvate to the mitochondrion and generate Acetyl CoA

Question 12

citric acid cycle/ Krebs Cycle

Answer 12

transport pyruvate to the mitochondrion –> completes the break down of pyruvate to CO2

Question 13

net products of citric acid cycle

Answer 13

1 ATP, 3 NADH, 1 FADH2 per turn

Question 14

net yield from glycolysis and the citric acid cycle

Answer 14

4 ATP, 10NADH, 2FADH2

Question 15

oxidative phosphorylation

Answer 15

reduction of oxygen/ electron transport chain+chemiosmosis

Question 16

electron transport chain I

Answer 16

NADH –> NAD + & H+

Question 17

electron transport chain II

Answer 17

FADH2 –> FAD

Question 18

electron transport chain III

Answer 18

–> Cyt C + H+

Question 19

electron transport chain IV

Answer 19

2H+ + 1/2O2 –> H2O + H+

Question 20

chemiosmosis

Answer 20

ATP synthase