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A population of organisms exists with a set range of alleles. In an organism, a random mutation can result in the formation of a new allele. Some mutated alleles can be beneficial to an organism, and incr...

Rearranging gives:4cos(x)-1 = 2sin(x)tan(x) Substituting in tan(x)=sin(x)/cos(x) gives:4cos(x)-1 = 2sin(x)(sin(x)/cos(x))2sin²(x)=4cos²(x)-4cos(x)Substituting in 2sin^2<...

The new cell must be a genetically identical copy of the first cell. Both daughter cells must receive a full copy of the DNA.

The key to this kind of question is how you word your answer - you vocabulary must be very specific.You are looking to highlight that microbes can respire faster, which in turn let...

A 16-mark question can be broken down into two or three objectives: AO1 (content), AO2 (application) and AO3 (evaluation). Depending on the question you will be asked for just AO1 and AO3 or AO1, AO2 and ...