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WorksheetsHigher Biology Unit 2. KA2: Cellular Respiration
Total questions: 10
Worksheet time: 5mins
What is cellular respiration?
A method to store glucose in cells
A series of metabolic pathways that break down glucose into ATP
A cycle to produce carbon dioxide only
A process to produce oxygen
What compound is ATP broken down into?
Carbon dioxide and water
Adenosine diphosphate (ADP) and phosphate
Glucose and oxygen
Pyruvate and NADH
Where does glycolysis take place?
On the cell membrane
In the nucleus
In the cytoplasm
In the mitochondria
What is the net gain of ATP molecules during glycolysis?
38 molecules
2 molecules
4 molecules
36 molecules
What happens to pyruvate in the presence of oxygen?
It is converted into lactate
It is expelled from the cell
It moves into the mitochondria for further processing
It remains unchanged
What is the final electron acceptor in the electron transport chain?
ATP
NADH
Oxygen
Carbon dioxide
How many molecules of ATP are produced from the electron transport chain?
36 molecules
4 molecules
38 molecules
2 molecules
What is produced during fermentation in yeast?
Lactate
Ethanol and carbon dioxide
Water
Oxygen
What is the role of ATP synthase?
To produce carbon dioxide
To break down glucose
To consume oxygen
To generate ATP
What is phosphorylation?
The process of breaking down ATP into ADP
The addition of a phosphate group to a molecule
The conversion of pyruvate into lactate
The removal of a phosphate group from ATP
