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1.1 Cell structures

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Question 22
H

A mitochondrion is 1.5 μm1.5\ \mu\text{m}1.5 μm long. In an electron micrograph, the image of the mitochondrion is 4.5 cm long.

What is the magnification of the electron micrograph?

[1]
A

×3.0×101\times 3.0 \times 10^{1}×3.0×101

B

×3.0×103\times 3.0 \times 10^{3}×3.0×103

C

×3.0×104\times 3.0 \times 10^{4}×3.0×104

D

×3.0×107\times 3.0 \times 10^{7}×3.0×107

Markscheme

1.1 Cell structures Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cell structures

130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.

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