CIE A Level Biology (9700) exams from 2022

Revision Notes

1.2.2 Animal & Plant Cells

Electron Micrographs: Animal Cells

Animal Cell micrograph 2, downloadable AS & A Level Biology revision notes

TEM electron micrograph of an animal cell showing key features

Exam Tip

You should be able to describe and interpret photomicrographs, electron micrographs and drawings of typical animal cells.

Electron Micrographs: Plant Cells

Plant Cell Micrograph 2, downloadable AS & A Level Biology revision notes

TEM electron micrograph of a plant cell showing key features

Structure of Animal & Plant Cells

  • The only structures found in animal cells but not plant cells are the centrioles and microvilli
  • Plant cells also have additional structures: the cellulose cell wall, large permanent vacuoles and chloroplasts

Animal cell, downloadable AS & A Level Biology revision notes

The ultrastructure of an animal cell shows a densely packed cell – the ER and RER and ribosomes form extensive networks throughout the cell in reality

Plant cell, downloadable AS & A Level Biology revision notes

Plant cells have a larger, more regular structure in comparison to animal cells

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