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DNA is the genetic code of an individual, this has been assembled from the contributions of your maternal and paternal gamete genomes. When a gene is being expressed, a polymerase transcribes a copy in th...
Controls the movement of substances into and out of the cell.
Genetic fingerprinting is a technique that utilises the presence of highly repetitive non-coding DNA sequences in the human genome, known as variable number tandem repeats (VNTRs). These vary considerably...
The first stage of phagocytosis is named chemotaxis. This stage involves the migration of the phagocyte (a type of lymphocyte/ white blood cell) towards a pathogen. This occurs due to foreign antigens (no...
A mutation is a change in the sequence of DNA bases in the genetic code of an organism. They're actually very common, and cause variation in a species. They are random ch...
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