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The amount of mass in a particular volume.

Short nerve fibers that project from a neuron, generally receiving messages from the axons of other neurons and relaying them to the cell’s nucleus.

The joining of two DNA molecules by the enzyme, DNA ligase.

The enzyme used to join two DNA molecules together.

In maths, data is a set of numerical values for variables. In science, data refers to facts that can be collected and analysed, then becoming information and eventually knowledge. In computer science, data is a sequence of one or more symbols that can be interpreted and given meaning.

When bowel movements are looser and/or more frequent.

The voltage is always constant, and the electricity flows in a certain direction.

General mental deterioration from a previously normal state of cognitive function due to disease or psychological factors. Alzheimer’s disease is one form of dementia.

Pieces of separated, cut, or broken DNA. In the lab, DNA fragments are made using restriction enzymes.

Used to measure the sizes of DNA fragments that have been separated out in a gel. It is a mix of DNA fragments (of known sizes) that is run alongside your samples in a gel so that you can compare them.