Drawing DNA & RNA Nucleotides & DNA Double Helix Drawing simple diagrams of the structure of single nucleotides of DNA and RNA Simple shapes can be used to draw the main building blocks of ...
Polymerase Chain Reaction Use of Taq DNA polymerase to produce multiple copies of DNA rapidly by the polymerase chain reaction (PCR) Polymerase chain reaction (PCR) is a common molecular biology te...
Translation Translation is the synthesis of polypeptides on ribosomes This stage of protein synthesis occurs in the cytoplasm of the cell After leaving the nucleus, the mRNA molecule attaches to a ...
Transcription This process of protein synthesis occurs in two stages: Transcription – DNA is transcribed and an mRNA molecule is produced mRNA is a single stranded RNA molecule that transfers the i...
Meselson & Stahl's Experiments Analysis of Meselson and Stahl’s results to obtain support for the theory of semi-conservative replication of DNA Crick and Watson, as they defined the shape of D...
DNA Replication The replication of DNA is semi-conservative and depends on complementary base pairing Semi-conservative means that one strand of the 'parent' DNA is kept in the 'daughter' molecule ...
Nucleic Acids: Structure The nucleic acids DNA and RNA are polymers of nucleotides Both DNA and RNA are polymers that are made up of many repeating units called nucleotides Each nucleotide is forme...
Practical 3: Enzyme Experiments Design of experiments to test the effect of temperature, pH and substrate concentration on the activity of enzymes Three different independent variables can be teste...
Immobilised Enzymes Immobilised enzymes are widely used in industry Just before 1900, it was discovered that enzymes could be used to catalyse production of alcohol in the absence of yeast cell Sin...
