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What is mitosis?

Mitosis is the process of cells dividing to form two identical daughter cells. It consists of five stages: interphase, prophase, metaphase, anaphase and telophase. Interphase is the stage during which the ce...
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Answered by Chloe H. • Biology tutor
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Why are nitrogen and phosphorus vital in photosynthesising plants

Phosphorus is a vital building block and is used in the compound ATP, it is also a vital component within nucleotide and protein synthesis with the sugar phosphate backbone found in DNA and RNA being compose...
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Answered by Rory H. • Biology tutor
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Describe what happens in glycolysis.

Glycolysis takes place in the cytoplasm and comprises two stages: phosphorylation and oxidation. In phosphorylation, glucose is phosphorylated using two molecules of ATP to form glucose phosphate and then he...
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Answered by Skye L. • Biology tutor
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If a gene mutation is associated with the development of Alzheimer's Disease (e.g. E280A), how might a high frequency develop in a population and why wouldn't natural selection decrease it?

A high frequency of mutation can be produced by having a small population, leading to high levels of inbreeding. When there is little interbreeding with different populations, the genetic diversity will rema...
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Answered by Caitlin R. • Biology tutor
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How can DNA mutations alter the structure of a protein?

Regions of an organism's genome that code for proteins are known as genes. The sequence of deoxyribonucleic acids (bases) in a gene directly translates to the sequence of amino acids in the protein it encode...
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Answered by Lewis B. • Biology tutor
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