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Starch is a polysaccharide of alpha glucose. It is made up of amylose and amylopectin. It forms a branched structure to allow it to be compact, this is due to the fact it contains 1-4 and 1-6 glycosidic bonds.

ATP (Adenosine triphosphate) is a nucleotide derivative which is used to store energy to power most of the reactions in a cell. Reminder: Nucleotides are the five bases which make up DNA and RNA - Adenine, C...

The three different types, sensory, relay and motor neurons can all be used in a reflex arc; a relay neuron is not always necessary but often is included. It is easiest to remember them in that order as that...

When water levels are low in the blood, osmoreceptors in the hypothalamus detect this change and trigger the posterior pituitary gland to release a hormone called ADH. ADH binds to receptors on the cell memb...

An enzyme is a biological catalyst that ensures important certain chemical reactions can take place. They speed up the rate of a reaction without being used up or changed. Maltase is an example of an enzyme ...