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The MMR vaccine is given to children in order to prevent the conditions measles, mumps and rubella. Describe how a vaccine works?

Vaccines contain dead or inactive forms of a pathogen. - These dead or inactive forms stimulate the white blood cells to produce antibodies against the pathogen. - If a person is infected by the pathogen in ...
VH
Answered by Victoria H. • Biology tutor
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What is the structure and function of neurones?

Neurones are nerve cells that carry information as tiny electrical signals. There are three different types of neurones, each with a slightly different function: sensory neurones carry signals from receptors...
BM
Answered by Bex M. • Biology tutor
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How do I remember what adaptations plants and animals have in dry conditions? How would I answer this in a question?

A main concern for both plants and animals is to hold onto as much water as possible and prevent evaporation wherever possible, which you should keep in mind when trying to recall what kinds of features they...
GM
Answered by Georgina M. • Biology tutor
8669 Views

what is the difference between mitosis and meiosis

Both are cell divisions. Mitosis produces two identical daughter cells where the number of chromosomes is the same as the parent cell. These are used for growth, repair, asexual reproduction. Meiosis produce...
JS
Answered by Jack S. • Biology tutor
3410 Views

What is the difference between osmosis and diffusion?

These two processes can often be confused very easily. To begin with both processes are based on the principle of molecules moving from an area of high concentration to an area of lower concentration. With d...
NT
Answered by Nathan T. • Biology tutor
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