Respiration (Biology 011)

Question 1

What is the purpose of ATP (energy)

Answer 1

To drive cellular processes

Question 2

What is the ATP cycle (*)

Answer 2

When ATP releases chemical bond energy via an enzyme and is charged with energy

Question 3

What are the three reactants in the equation for cellular respiration (*)

Answer 3

Glucose, oxygen and ADP + P

Question 4

What are the three products in the equation for cellular respiration

Answer 4

Water, carbon dioxide and ATP

Question 5

What are the three stages of cellular respiration

Answer 5

Glycolysis, Electron transfer chain and krebs cycle

Question 6

What happens in glycolysis

Answer 6

Glucose is split into 2 molecules of pyruvic acid and three carbon

Question 7

In depth description of glycolysis

Answer 7

Glycolysis occurs outside of the mitochondria in the cytoplasm in which glucose is split into two molecules of pyruvic acid. 4 ATP is produced but since 2 ATP is used for other cellular reactions, the net gain via glycolysis is 2 ATP.

Question 8

Is glycolysis anaerobic or aerobic

Answer 8

Anaerobic

Question 9

In depth description of the krebs cycle

Answer 9

Pyruvic acid is broken down resulting in carbon dioxide being released and 2 ATP being produced per glucose. These reactions are present in the matrix of the mitochondria.

Question 10

What happens in the electron transport system (chain)

Answer 10

In the cristae, a large system controlled by enzymes are reacting with oxygen in order to produce 28 or a lot of ATP and water (H2O)

Question 11

What are NAD+ and FAD used for

Answer 11

To pick up hydrogens (hydrogen carrier) and releasing energy

Question 12

What happens if there is not enough oxygen

Answer 12

Pyruvic acid turns into lactic acid in which creates muscle fatigue and pain