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It can seem confusing but the for the imperfect it is important to remember:-it describes something from the past-it is used to talk about things that used to happen - habit...
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 b...
This problem is best split into two parts either side of the '+' sign seen as they are independent of each other, so the first part: 3(2a+2), as the 3 is outside of the bracket we have to multiply everyth...
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 -...
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 t...
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