GCSE Additional Science - Biology - Animal and Plant Cells.

GCSE - AQA - Additional Science - Biology - B2 - Chapter 1 - Cells - 1.1 Animal and plant cells.

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Plant Cell.

In a typical plant cell, you will find:

  • Nucleus to control the cell's activites.
  • Cytoplasm where many chemical reactions take place.
  • A cell membrance that controls the movement of materials.
  • Mitochondria where energy is released during aerobic respiration.
  • Ribosomes where proteins are made (synthesised).
  • A rigid Cell Wall for support.
  • Chloroplasts that contain chlorophyll for photosynthesis.
  • A permenant Vacuols containg cell sap.

A plant Cell has many features in common with an animal cell, but others which are unique to plants.

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Animal Cell.

A simple animal cell will contain 5 main feautures such as these:

  • Nucleus to control the cell's activites.
  • Cytoplasm where many chemical reactions take place.
  • A cell membrance that controls the movement of materials.
  • Mitochondria where energy is released during aerobic respiration.
  • Ribosomes where proteins are made (synthesised).

These feautures are also common to those in a plant cell and all living cells.

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Key points to remember about both cells.

  • Animal and plant cells have structures that enable them to do their jobs.
  • Plant Cells have some structures which animal cells do not have.
  • Remember that the cell membrane can control the movement of materials into and out of the cell. The cell wall, in plants, does not do this. It is just there for strength and support.
  • Not all plant cells have chloroplasts... and don't confuse chloroplasts with chlorophyll.
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