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Atheroma = Formed of a hard fibrious plaque containing fatty streaks that have hardened over time (through damage such as high blood pressure). There is a build up of cholesterol and other insolubl...

Given that the brown eyed parents are able to produce blue eyed offspring, it is safe to assume that they are both heterozygots for eye colour and that the brown allele is dominant (A) over the blue allel...

Glycolysis occurs during both aerobic and anarobic respiration in the cytoplasm of the cell in both plants and animals. One glucose molecule is broken down into two molecules of pyruvate releasing 4 molec...

Xylem and phloem are a little bit like the blood vessels we have in our body and make up what is called 'vascular bundles' in plants. Xylem are essential for providing water to the plant by transpiration ...

The populations of finches became separated geographically (on different islands). Then genetic variation developed in these isolated communities. Natural selection acted differently in these isolated com...