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The Cardiac Cycle can be split into three stages: Diastole, Atrial Systole, and Ventricular Systole. (Left side of heart used for example purposes). Atrial Systole: Blood enters the atrium via the pulmona...

The polymerase chain reaction (PCR) is basically a series of three-stage cycles, each stage occurring at a different temperature. The three stages are denaturation, annealing and extension.Denaturation ta...

The movement of molecules against their concentration gradient (low concentration to high concentration), across a membrane using energy.

The chromosomes condense and the nuclear membrane breaks down and the nucleolus disappears.

Proteins are made up of the primary structure, secondary structure and tertiary structure. Some proteins may also have a quaternary structure. The primary structure is the specific sequence of amino acids...