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Edexcel A-Level Biology A2 A 0 P Si Unit Prefixes Questions

Review A-Level Edexcel Biology SI unit prefixes through graticule measurements, micrometre conversions, nanometre ratios and cell-structure sizes.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Biology XBI11/YBI11
Level
A2

Exam points

  • convert graticule measurements from metres to micrometres for pores or pith cells
  • compare ribosome and lysosome diameters by converting nm and µm before forming a ratio

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