Metabolism

Question 1

Beta oxidation

Answer 1

Breaking down triacylglycerol into subunits of 2 C’s each (acetyl CoA)

• Provides energy for Krebs cycle

Question 2

Fermentation

Answer 2

Partial breakdown of sugars and other nutrients using e- acceptor other than oxygen

• Fuel source is partly oxidized

Question 3

How many electrons can NADH hold?

Answer 3

2 (same as FADH2)

Question 4

How much energy can NADH and FADH2 hold?

Answer 4

NADH = 3ATP
FADH2 = 2 ATP

Question 5

What happens to glucose in cellular respiration?

oxidized or reduced

Answer 5

Glucose carbon is oxidized b/c loses e- from becoming CO2 and being bonded now to O2 (electronegative)

Question 6

What kind of process is glucose oxidation?

What is the chemical reaction?

Answer 6

C6H12O6 + 6O2 => 6H2O + 6CO2

Combustion

Question 7

What do dehydrogenases do?

Answer 7

Take away H+ and 2 electrons

Question 8

Is glycolysis anabolic or catabolic?

Is gluconeogenesis anabolic or catabolic?

Answer 8

Glycolysis = catabolic
- Breakdown of glucose => makes ATP

Gluconeogenesis = anabolic
- Building glucose => needs ATP