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Firstly, red blood cells contain the globular protein haemoglobin which is able to bind reversibly with oxygen. This means red blood cells can take up and then release oxygen as they transport it around t...

There are differences between eukaryotic and prokaryotic cells, that allow them to be distinguished. 1) There is compartmentalisation in the eukaryotic cells, meaning the eukaryotic cells contain structur...

Nucleusoften referred to as 'brain' of the cellStores the DNA/genetic materialControls cellular processes within the cellMitochondriaOften referred to as the 'powerhouse' of the cellGenerates energy for t...

Throughout the body, blood is transported through vessels (arteries, veins and capillaries). Within the arteries (biggest vessels), different factors can cause the build up of cholesterol in the wall of t...

Non- disjunction in meiosis can take place at both anaphase I and II. When there is an error in the separation of homologous chromosomes (anaphase I) or sister chromatids (anaphase II), one of the gametes...