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How can genetic engineering be used in forensic science and paternity tests?

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 be...
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Answered by Samuel W. • Biology tutor
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Explain the process of phagocytosis

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 (non s...
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Answered by Grace L. • Biology tutor
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Explain why DNA replication is semi-conservative

When DNA is replicated, the original DNA double helix is separated into two strands. Each strand is used as a template for complimentary free nucleotides to bind to and create new complimentary DNA strand. T...
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What is neurotransmission and how does a chemical synapses work?

Neurotransmission is the process that uses electrical or chemical signals to communicate between neurones, leading to the co-ordination of secretion, muscle contraction and organ and brain function in the bo...
Answered by • Biology tutor
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What are the 4 phases of mitosis?

Prophase, metaphase, anaphase, and telophase.
Answered by • Biology tutor
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