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Firstly we need to find the stationary point on the curve. We know what at a stationary point the gradient is zero so we will find the gradient of the curve. We do this by differentiation, when we have diffe...

Mitosis occurs when a eukaryotic cell has exited interphaseIt occurs in 4 stages: Prophase: The spindle fibres appear in the cell, the chromosomes condense and the nuclear membrane of the nucleus disappearsM...

High energy electrons are fired at a target. When the electrons interact with the atoms in the target two things can happen. The first process is called breaking radiation and occurs when the electron is att...

Evaporation occurs when the most energetic particles in a liquid have enough energy to overcome the attractive intermolecular bonds and leave the liquid. Because only the hughest energy particles evaporate t...

human chorionic gonadotropin ( hCG ) is a hormone which is closely associated with the early stages of pregnancy. It is produced by the blastocyst once it has implanted into the endometrium of the uterus. hC...