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Limitations:- If a participant is given information concerning the nature and purpose of a study this may invalidate the purpose of the study.- Even if researchers have sought and obtained informed consent, ...

Mutations in individuals leads to variation in a population of a species. Some individuals have characteristics that makes them better suited to their environments , so they are more likely to survive and re...

Starting is the hardest. The introduction is crucial to grab the admission tutor's attention and thinking of a good line might take a while, and stop you from even starting on your personal statement (PS), s...

Rather than the furry creature, in chemistry a mole is a unit used to measure substances. Its equivalent to 6x10 23 atoms, the number of carbon atoms in 12g of carbon. To find a mole of a substance we use th...

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...