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It is important to look at the shape of each line.  Regardless of the species, the line with the largest, solitary spike is LH (luteinising hormone) and this occurs just before ovulation.  The line whi...

p²+ 2pq + q²= 1 

It looks daunting at first but once you get the hang of them they can be easy marks in the exam....

There are a few key points you should remember. RNA has a ribose sugar instead of a deoxyribose sugar, RNA also has uracil instead of thymine, so uracil binds to adenine. The base pairings in RNA are G...

1) They contain a variable region also called the Fab region, allowing the attachment of an antigen to the antibody

2) They contain 2 light chains and 2 heavy chains allowing a sturdy str...

Mitosis occurs in a continuous, sequential order and has 5 stages:
1) Prophase
2) Metaphase
3) Anaphase
4) Telophase. 
Interphase
Interphase occurs before Mi...