Respiration (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Approximately how many ATP molecules does oxidative phosphorylation produce per glucose molecule?
Approximately how many ATP molecules does oxidative phosphorylation produce per glucose molecule?
32-34 ATP molecules
Where specifically in the mitochondrion does oxidative phosphorylation occur?
Where specifically in the mitochondrion does oxidative phosphorylation occur?
On the inner membrane
What do reduced NAD and reduced FAD donate to the electron transfer chain?
What do reduced NAD and reduced FAD donate to the electron transfer chain?
Electrons
In which direction are protons actively transported during the electron transfer chain?
In which direction are protons actively transported during the electron transfer chain?
Matrix to inter-membranal space
What provides the energy for ATP synthesis from ADP and inorganic phosphate?
What provides the energy for ATP synthesis from ADP and inorganic phosphate?
Proton flow through ATP synthase
What is the role of oxygen in oxidative phosphorylation?
What is the role of oxygen in oxidative phosphorylation?
It is the final electron acceptor
Why is staged energy release more efficient than releasing all energy at once?
Why is staged energy release more efficient than releasing all energy at once?
Less energy is lost as heat
Why do muscle and liver cells contain more mitochondria than other cells?
Why do muscle and liver cells contain more mitochondria than other cells?
They require large amounts of energy
How do fatty acids from lipids enter the respiratory pathway?
How do fatty acids from lipids enter the respiratory pathway?
As 2-carbon fragments to acetyl CoA
What process removes amino groups from amino acids before they can be used in respiration?
What process removes amino groups from amino acids before they can be used in respiration?
Deamination