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1.1 Cells and cell structure

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Question 18
F

Ciliated epithelial cells contain many mitochondria. Which statement explains why?

[1]
A

the cilia need energy from respiration to keep beating

B

the mitochondria produce the mucus that the cilia move

C

the mitochondria digest the bacteria trapped in mucus

D

the cilia are made of mitochondria joined in a chain

Markscheme

1.1 Cells and cell structure Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cells and cell structure

41 exam-style questions on Edexcel GCSE Biology 1.1 Cells and cell structure, covering 1.1.1 Sub-cellular structures and functions, 1.1.2 Specialised cells and their adaptations, and 1.1.3 Microscope technology and cell structures. Each one has a worked solution and a mark scheme showing where the marks go.

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