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Osmosis is the net movement of water molecules from a high water potential to a low water potential through a semi-permeable membrane. It is different from diffusion as it is through a semi-permeable memb...

Some simple thoughts on The Last Supper by Leonardo da Vinci

(Alcune semplici considerazioni sull’Ultima Cena di Leonardo da Vinci)

The painting shows Jesus Christ and the 12 apostles during...

Oxygen is required by the electron transport chain to operate. Many biochemical pathways (for example Kreb’s cycle and ß-fatty oxidation) extract electrons from biomolecules and transfer them to electron ...

a) Gases tend to occupy a much larger volume than solids and liquids, since intermolecular forces are much weaker. b) Explosives are very unstable molecules: in this cont...

The British believed they had several roles in India during the 19th century and these roles also changed with time. At the start of the 19th century, India was still under the control of the East India C...