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?

Question 4

Which statement accurately describes mitochondria respiration role at a GCSE level?

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.

Want to improve faster?

The fastest way to improve your grade is to practise exam-style questions, identify your gaps, and focus only on what you don't know.

Start practising this topic
Instantly marked • No sign-up

Related GCSE Biology Questions

View all GCSE Biology topics

Verified for 2024/25 Exams

Aligned to current UK Science Specifications

LO

Little & Often Content Team

Science Education Specialists