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Alleles are different forms of a gene. For example, given the gene for eye colour there would be many different colours available. People with brown eyes would have the allele of the eye colour gene coding f...

Bacteria are small living microorganisms that vary in shape and size. Similar to plants cells they contain a cell wall, however, they do not have a nucleus. Instead their genetic information is carried in et...

When writing a strong argumentative answer, it is very important to read the question properly, so that you understand exactly what you are arguing for! The introduction lays the foundation for your answer; ...

Firstly, it is pivotal to understand that everybody sitting the exam is in the same boat as you; so relax, take a deep breath. Keep in mind the amount of time you have to answer the question - do not comprom...

The issue with glacial retreat is that due the specificity of the glacial climate, the surrounding economies rely heavily on the glaciers as a source of income. For instance, the tourist industry of the area...