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Enzymes are biological catalysts. They speed up chemical reactions in all living things, and allow them to occur more easily. They occur in plant cells and animal cells. ...
Cell differentiation allows a cell to specialize to achieve a specific function Multicellular organisms (eg: humans) have different types of cells which have different functions. For exam...
The sequences of bases in a DNA molecule will determine the amino acid sequence in the protein that it encodes for. The bases are arranged in triplets where one triplet will encode for one amino acid in a...
A velocity-time graph shows the speed and direction an object travels over a specific period of time. Velocity-time graphs are also called speed-time graphs. The vertical axis of a velocity-time graph is ...
The basic unit of genetic material inherited from our parents - it is a short section of DNA.
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