Biology Topic Practice

Mitochondria: Powerhouses of the Cell

Mitochondria are the organelles where most of the reactions of aerobic respiration occur.

Which type of body cell would have the most mitochondria?

What is Mitochondria: Powerhouses of the Cell?

"Mitochondria are double-membrane-bound organelles found in most eukaryotic organisms, responsible for generating adenosine triphosphate (ATP) through respiration."

Question 1

Most aerobic respiration takes place in which sub-cellular structure?

Question 2

Most aerobic respiration takes place in which sub-cellular structure?

Question 3

GCSE Biology: Most aerobic respiration takes place in which sub-cellular structure?

Mitochondria Secrets

They have a folded inner membrane to increase surface area for enzymes.

Muscle cells and sperm cells have thousands for high energy demand.

They contain their own DNA and can replicate within the cell.

Exam Tip

If a cell is very active, it will always have a high number of mitochondria.

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