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Cells go through a series of stages in order to replicate themselves, called mitosis. Briefly describe each stage of mitosis. (8)

1 mark for each name1 mark for each explanation Prophase - DNA condenses into chromosomesMetaphase - Chromosomes line up along equator of cellAnaphase - Sister chromatids pulled apart to form two identical d...
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Answered by Charlie H. • Biology tutor
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Compare and contrast eukaryotic and prokaryotic cells.

Tip: when answering ‘compare and contrast’ questions, use keywords such as ‘whereas’, ‘in contrast to’, ‘similarly’ and ‘comparatively’.Eukaryotic cells are plant and animals cells, whereas prokaryotic cells...
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Answered by Ellie P. • Biology tutor
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Explain the process of phagocytosis

Phagocytes detects pathogen due to chemical produced by the pathogen. The phagocyte move via a concentration gradient to the pathogen. The phagocyte engulfs the pathogen thereby producing a phagosome where t...
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Answered by Sam C. • Biology tutor
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evaluate some different treatments for cardiovascular disease (6)

LIFESTYLE examples of lifestyle treatment Lower blood cholesterol by cutting down on fatty foods.Stop smoking and other recreational drugs - They can affect heart rate and blood pressure, increasing the risk...
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Answered by Melissa D. • Biology tutor
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How can the use of antibiotics contribute to bacteria becoming resistant?

Bacterial DNA can spontaneously mutate, which means a change in the nucleotide reading frame. By chance, a mutation may cause the bacteria to prevent being killed by the antibiotic. For example, by developin...
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Answered by Carolina W. • Biology tutor
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