Top answers

Biology
GCSE

What is osmosis?

Osmosis can be described as the movement of water from a high concentrated area to a low concentrated area, through a selectively permeable membrane 

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Answered by Anesha A. Biology tutor
4108 Views

What are the five stages of mitosis?

The five stages of mitosis include, Interphase, Prophase, Metaphase, Anaphase and Telephase 

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Answered by Anesha A. Biology tutor
5994 Views

Explain how a vaccination prevents infection [3 marks]

The main way in which vaccinations prevent infection is by causing white blood cells to produce antibodies. These antibodies are produced rapidly upon re-infection and...

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Answered by Odette F. Biology tutor
11718 Views

What is diffusion? (GSCE: OCR, Edexcel, AQA)

Definition: diffusion is the spreading out of particles from an area of high concentration to an area of low concentration

The theory:

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Answered by Ned F. Biology tutor
12436 Views

What are pathogens and how do they cause disease?

Pathogens are microorganisms that can cause disease. Pathogenic bacteria make us ill in 2 way: 1) by damaging body cells 2) releasing toxins. Pathogenic viruses invade body cells where they use the cellul...

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Answered by Golnoush G. Biology tutor
13726 Views

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