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The preparation occurs to the DNA whilst in the nucleus of the cell.
As DNA is a double helix, the two strands of DNA need to be split apart. Therefore the hydrogen bonds...
Respiration is the process by which the body creates energy by breaking down nutrients. This can either happen in the presence of oxygen, or without it. The key difference between the two processes are...
Similarities:
Both have a nucleus
Both have cytoplasm
Both have a cell membrane
Both contain mitochondria
Both con...
DNA is the molecule within cells that contains genetic information, in the form of a sequence of bases that form a code that makes up a protein. DNA is a polymer, meaning that it is a macromolecule (la...
The first step of urine formation is ultrafiltration. Blood passes through a network of capillaries in the kidney called the glomerulus. It is filtered into the Bowman’s capsule (the f...
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