Search over 10,000 free study notes

Transcription is the process of sections of DNA being converted into mRNA (messenger RNA) that occurs in the nucleus of a cell. DNA is made up of a template strand and a coding strand whi...

When the neurone is stimulated, the Na+ channels open to allow influx of sodium ions down its electrochemical gradient. This makes the inside of the cell less negative. When threshold voltage (-55m...

1. heat with HCl 2) neutralise with NAHCO3 3) add benedicts soln and gently heat in a water bath 4) if the soln changes colour from blue to a brick red precipitate, then non reducing sugars were involv...

The oxidation of glyceraldehyde 3-phosphate (G3P), a three-carbon sugar, yields energy. In this oxidation, electrons and H+ are transferred to NAD+, forming NADH, and a phosphate group is attached to the ...

Internal temperature of your body must be tighly controlled. The key processes of your body are driven by enzymatic activity and there is an optimal temperature at which these operate. If body temperature...