Respiration

Question 1

Aerobic Respiration

Answer 1

The release of energy from food using oxygen

Question 2

Aerobic Respiration Process

Answer 2

• Glucose breaks down
• ATP formed
  (Controlled by enzymes)

Question 3

Products of Aerobic Respiration

Answer 3

• Carbon Dioxide
• Water
• Energy

Question 4

Role of Aerobic Respiration

Answer 4

• Produce ATP
• Maintain body temp

Question 5

Glycolosis (Stage 1 Aerobic)

Answer 5

• Oxygen not involved
• Involves enzymes
• Glucose converted to 2 pyruvates
  (products: Small ATP, NADH, CO2

Question 6

Krebs Cycle (Stage 2 Aerobic)

Answer 6

• Pyruvate breaks down into Acetyl
• Large amount of ATP made
• NADH formed
• CH+ & electrons combine with NAD+

Question 7

Electron Transport System

Answer 7

• Takes place in mitochondria
• NADH supplies electrons to form ATP
• Electrons combine with hydrogen & oxygen to form water
• Excess energy turns to heat in the system

Question 8

Anaerobic Respiration

Answer 8

The release of energy from food (no oxygen needed)

Question 9

Anaerobic Respiration Process

Answer 9

• Stage 1: Glycolysis
• If oxygen not present after stage 1, pyruvate can’t enter mitochondria (converts to other product)

Question 10

Advantages & Disadvantages of Anaerobic Respiration

Answer 10

Advantages:
1. Helps organisms in low oxygen environments
2. Provides extra energy when demand is higher

Disadvantages:
1. Inefficient - Small ATP yield
2. Products are toxic