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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...
Transcription is the process in which a gene's DNA sequence is copied to form a messenger RNA molecule. The DNA molecule unwinds due to the action of DNA helicase. RNA nucleotides complementary base pair ...
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