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Whilst this question is quite extract specific, you want to approach it in a broad way, using a method you can replicate for any extract/text. First, break down the question. Concerted with presentation o...

PCR stands for Polymerase Chain Reaction. It is an experimental technique used to amplify a sample of DNA. It requires a number of things: a DNA sample, oligonucleotide primers for either side of the desi...

Steps: Use diagrams to draw each step1.Interphase (think 'I' is also a number 1 to start!)DNA has been copied (late G2 phase). Chromosomes are now existing as 2 pairs ca...

Antibodies are made from 4 chains of peptides, two heavy chains and two light chains. There is also a constant region (Fc) and a variable region (Fab) which are used to bind to cells and antigens respecti...

Metals have a giant metallic structure, with regular closely packed layers of positive ions in a 'sea' of delocalised electrons. What this means is that metals have a large number of positive ions, in a r...