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In mitosis there are four phases: Prophase, Metaphase, Anaphase and Telophase. The first step is early Prophase, where chromosomes condense and become visible through supercoiling and simultaneously spind...
(1) Oxygen is transported around the body in red blood cells. In the red blood cell it is bound to a protein called haemoglobin. Oxygen dissociation curves show the relationship between oxygen levels (as ...
Haemophilia is a sex-linked genetic recessive disease, meaning it is associated with a gene located on the X chromosome. As males have only one X chromosome, inheriting that chromosome will mean that they...
Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) both encode genetic information; however, there are many fundamental differences.
Firstly, the sugar backbone for RNA is ribose, while for DNA...
There are many enzymes which are crucial for replication. The first is helicase which unwinds the double helix at the replication fork. DNA gyrase then reduces the strain...
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