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1.1 Cells and cell structure

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Question 26
H

A mitochondrion is 2 μm2\ \mu\text{m}2 μm long. It is shown in an electron micrograph at a magnification of ×20 000\times 20\,000×20000.

How long is the image of the mitochondrion?

[1]
A

0.4 mm

B

4 mm

C

10 mm

D

40 mm

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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