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Describe how genetic fingerprinting is carried out? (example of 6-mark question)

Every individual's DNA sequence is different and genetic fingerprinting can be used to distinguish individuals based on their unique DNA sequence. To begin, DNA needs to be extracted from a sample , which co...
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Answered by Fabiola H. Biology tutor
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How do cells become specialized?

All cells in our body contain the same genetic information stored in the DNA chromosomes located in the nucleus. So how do cells become skin cells, liver cells etc.? Cells undergo a process called differenti...
Answered by Biology tutor
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Describe the process of mRNA formation

DNA helicase unwinds the DNA double helix (breaking hydrogen bonds and exposing nucleotide bases)Mononucleotides pair up with complementary bases on the coding strandRNA polymerase moves along joining the nu...
Answered by Biology tutor
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What is the Krebs cycle?

The Krebs cycle is one of the steps of cellular respiration - the process that allows organic molecules to be broken down in a series of stages to release chemical potential energy, which is used to synthesi...
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Answered by Martin L. Biology tutor
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Explain how formation of an enzyme-substrate complex increases the rate of reaction.

When an enzyme comes into contact with a substrate that fits its active site, it will bind to it and form an enzyme-substrate complex. This binding alters some of the bonds in the substrate to be slightly we...
Answered by Biology tutor
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