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Mitosis is the process in which a cell divides into two new cells. Cells contain DNA in the form of chromosomes as well as organelles such as ribosomes and mitochondria. Therefore if a cell is to divide i...

Translation is one of the main processes of the Central Dogma of Biology. Once the DNA has been transformed to RNA, the RNA goes through the splicing process. The spliced isoform then goes through the pr...

The end walls are removed from each end, forming an uninterrupted tube, so water can pass through easily.Their walls are thickened with a woody substance called lignin, w...

People with cystic fibrosis have a faulty gene which means they produce excess amounts of mucus. Lots of this mucus is produced in the airways and tends to build up in the lungs. The function of mucus is ...

When the neuron is stimulated, it causes rapid depolarisation of the cell surface membrane. This will not generate an action potential unless it is large enough to exceed the threshold potential...