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Coenzymes contrary to their name aren't enzymes but are synthesised from vitamins. Their overall purpose is to bind to the active site of a specific enzyme to aid the binding of the complemenatry substrat...

This style of question is common and is often worth around 6 marks. You should address each of ions , water and sugar seperately to ensure that you get maximum marks.

Ions enter the plant via diffu...

Homeostasis is defined as a process to maintain a constant internal environment. There are multiple ways in which the body is able to maintain a constant internal temperature such as;

The major cellular feature which sets the distinction between a prokaryotic (‘pro’ – before, ‘karyon’ – kernel, nucleus) cell and a eukaryotic (‘eu’ – true, ‘karyon’ – kernel, nucleus) cell is the presenc...

A synapse is the space between two neurons whereby information in the form of Neurotransmitters is passed on from one neuron to the other.