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For speciation to occur, a population must split into at least two isolated parts to avoid the spread of genes between them; the nature of this isolation is what defines sympatry and allopatry. In allopat...

There are four main reasons this could occur. The light photon could simply miss the chlorophyll molecule in the plant leaves. If they don't meet, how could the chlorophyll do anything with that light? Fu...

Firstly, let's try to understand what 'atherosclerosis' actually means. To do that, I would recommend understanding the origin of the word. As with most specific terms in biology, the name often explains ...

To identify the structural differences between these two molecules, its helpful to understand their roles in the building of a protein. (translation and transcription)Their roles give clues to the overall...

RNA polymerase scans the antisense DNA strand in the 3’ to 5’ direction, until it locates a promotor region. RNA polymerase then unwinds the DNA by breaking the hydrogen bonds between the complementary ba...