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What role does gut flora play and how does it work?

Gut flora is an example of good bacteria within our bodies that we need to survive. The average human has around 1.5kg of glut flora in there gastro-intenstinal tract. The gastrointenstinal tract (GIT) consi...
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Answered by Ermira K. • Biology tutor
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Explain the adaptations plants have to survive hot environments

Plants in hot environments have adaptations to their stomata. These are, having a lower density of stomata and also closing their stomata during the day, when it the environment is warmest. This reduces the ...
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Answered by Maisy B. • Biology tutor
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How are bacteria genetically modified for human benefit?

First of all, the concept of genetic modification needs to be understood. Proteins are coded for by genes in the DNA of an organism, with each gene coding for a different protein. We utilise the fact that di...
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Answered by Declan P. • Biology tutor
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What are the different types of neurones in the body?

A neurone is a special type of cell in the body which transmits electrical impulses. Neurones can be classified into different types based on the information they receive and pass on. The 3 main types of neu...
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Answered by Phoebe C. • Biology tutor
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Explain the role of plant hormones in plant shoot and root growth

Auxins are degraded within the tips of the shoots of the plant exposed to sunlight, and gather on the shaded side of the shoots. Gathered auxins enourage cell elongation, and the shoot to grow upwards, towar...
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Answered by Edward L. • Biology tutor
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