Biology B2

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  • Created by: Louise
  • Created on: 16-05-11 15:43


Cells become specialised under the process of differentiation. 

Particles move randomly because they naturally vibrate as they have energy.

Diffusion is important because cells need a constant supply of materials and to get rid of waste products.

Cells need water for support and for chemical reactions to take place.

The function for ribosomes is for protein synthesis.

Oxygen in the blood diffuses into respiring cells because its higher concentrated int the blood. 

The cell membrane is partially permeable. 

keeping lights on in a greenhouse in the winter is a waste of money because temperate is…


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