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Using the nitrogen cycle, explain how nitrogen from the atmosphere is converted into nitrates

4 main processes: ammonification nitrification nitrogen fixation denitrification NITROGEN FIXATION: the process by which N2 gas converted --> nitrogen containing compounds (e.g. Ammonia) the most importan...
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Answered by Nawal Z. • Biology tutor
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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...
EK
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 ...
MB
Answered by Maisy B. • Biology tutor
25170 Views

How is blood in the veins returned to the heart?

This question requires understanding about how blood flows in the veins. The body contains three types of blood vessel: artery, vein and capillaries, each with different characteristics. Veins carry deoxygen...
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Answered by Grace B. • Biology tutor
14568 Views

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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