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Explain the process of DNA Replication

DNA replication is semi-conservative; new DNA molecule is composed of 1 old strand of DNA and 1 new strand .Many enzymes are involved in this process. The action of these can be combined into a 7 step proces...
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Answered by Barbora H. • Biology tutor
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Compare how pyruvate is used in human cells when oxygen is available and when oxygen is not available.

When oxygen is available- aerobic respiration takes place, when oxygen is not available- anaerobic respiration takes place. Pyruvate reacrs differently differently in these two situations.During Aerobic resp...
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Answered by Nick P. • Biology tutor
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What are the differences between prokaryotic and eukaryotic DNA?

DNA in prokaryotes can be found in the cytoplasm in a form of a free circular chromosome. Additionally, there are structures called plasmids that contain DNA as well and their functions are connected to e.g....
AS
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Explain the Polymerase Chain Reaction (PCR) as a technique to make copies of DNA.

PCR takes place in three stages - denaturation, annealing, and extension. The process begins with a very small quantity of DNA being loaded into a PCR machine. The hydrogen bonds that exist between the two s...
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Answered by Aashna B. • Biology tutor
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At what stage of Meiosis are the centrioles of paired chromosomes at opposite poles of the cell ?

During Meiosis I: Metaphase I
Answered by • Biology tutor
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