EASY
AS and A Level
IMPORTANT
Earn 100

Explain how the events of the krebs cycle can be cyclical.

Important Questions on Energy and Respiration

EASY
AS and A Level
IMPORTANT
Explain about the roles of the events that take place during oxidative phosphorylation. 
EASY
AS and A Level
IMPORTANT
Make a large diagram of a mitochondrion. Add annotations to your diagram to explain how the structure of the mitochondrion is adapted for its function.
EASY
AS and A Level
IMPORTANT

Glucose can be used to produce ATP, without the use of oxygen:

glucoseXY in mammals

                 

                  Z in yeast

Which compounds are represented by the letters X, Y and Z?

EASY
AS and A Level
IMPORTANT
Construct a table to summarise the features of rice that adapt it to grow with its roots submerged in water, and how each feature contributes to this adaptation.
EASY
AS and A Level
IMPORTANT
Calculate the RQ for the aerobic respiration of the fatty acid stearic acid, C18H36O2.