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Cell structure

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Question 3

A transmission electron micrograph (TEM) displays a eukaryotic cell containing a lysosome and a nucleus.

  • For the lysosome:

    • The scale bar indicates that a length of 1.8 cm1.8\text{ cm}1.8 cm on the micrograph represents an actual length of 250 nm250\text{ nm}250 nm.
    • The measured diameter of the lysosome on the micrograph is 7.2 cm7.2\text{ cm}7.2 cm.

  • For the nucleus:

    • The scale bar indicates that a length of 2.4 cm2.4\text{ cm}2.4 cm on the micrograph represents an actual length of 3.2 μm3.2\text{ }\mu\text{m}3.2 μm.
    • The measured diameter of the nucleus on the micrograph is 12.0 cm12.0\text{ cm}12.0 cm.

Calculate how many times larger the actual diameter of the nucleus is than the actual diameter of the lysosome. Show your working.

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Cell structure Questions

  1. A Level
  2. /Biology
  3. /Cell structure