Respiration

Question 1

Aerobic respiration

Answer 1

this requires oxygen and produces carbon dioxide, water and much ATP

Question 2

Anaerobic respiration

Answer 2

this takes place in the absence of oxygen and produced lactate (in animals) in ethanol and carbon dioxide (in plants and fungi) but only use a little ATP in both cases

Question 3

Aerobic respiration can be divided into four stages:

Answer 3

• glycolysis which is the splitting of the 6 carbon glucose molecule into 3 pyruvate molecules
• link reaction which is the 3 carbon pyruvate molecules enter a series of reactions which lead to the formation of acetylcoenzyme A, a 2 carbon molecule