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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...

This is a question about circular motion that also includes some knowledge of Newton's laws. The car is travelling over a curved surface, which you can imagine as part of the circumference of a circle....

Whilst at first this question looks difficult, once broken down it becomes quite easy. It is a simple case of energy exchange.

The pole vaulter gives themselve kinetic energy as they apro...

In 1969, the nationalist IRA had split in two, and a separate paramilitary group was formed. They fought against the unionists and campaigned to remove Northern Ireland from the UK.

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...