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The cell theory states that:All living organisms are composed of cells (unicellular or multicellular)The cell is the smallest unit of lifeAll cells come from the division of pre-existing cellsExceptions:S...

Both types of diabetes are based around the hormone insulin. Insulin is produced by the pancreas when we have elevated levels of glucose in the blood, for example after eating a meal. Insulin binds ...

The LIR is made up of three stages, known as the Calvin cycle. The first stage is carbon fixation. To start, the enzyme RuBISCO (Ribulose Bisphosphate Carboxylase Oxygenase) catalyses the reaction between...

A wave of depolarisation is sent toward the neuromuscular junction, this causes voltage gates Ca2+ channels in the presynaptic membrane to open allowing the Ca2+ ions to enter following their concentratio...

There are 4 different structural forms of proteins; Primary, Secondary, Tertiary and Quaternary. The primary structure is a chain of amino acids joined by peptide bonds. The secondary structure is a chain...