Topic 8 Cellular Respiration

Question 1

What are oxidation reactions?

Answer 1

loss of electrons

Question 2

What are reduction reactions?

Answer 2

Gain of electrons

Question 3

What is the chemical formula for cellular respiration?

Answer 3

C6 H12 O6 + 6 O2 –> 6CO2 +6H20
Glucose + Oxygen –> Carbon Dioxide +water

Question 4

What happens during glycolysis?

Question 5

What are the reactants of glycolysis?

Answer 5

2 ATP and Glucose

Question 6

What are the products of glycolysis?

Answer 6

4 ATP, 2 NADH, 2 pyruvate

Question 7

What is glycolysis considered 1st metabolic pathway to evolve?

Answer 7

Does not involve organelles or oxygen and present in most organisms

Question 8

What is the role of NAD+ in cellular respiration?

Answer 8

gains hydrogen and electrons easily

Question 9

What is the role of NADH in cellular respiration?

Answer 9

Represent stored energy (Electrons) that will be transferred to generate ATP

Question 10

What is the citric acid cycle?

Question 11

What are the reactants of the citric cycle?

Answer 11

2 pyruvate

Question 12

What are the products of the citric cycle?

Answer 12

6 CO2, 2 ATP, 8 MADH, 2 FADH 2