Top answers

How does a high cholesterol diet increase the risk of coronary heart disease?

High cholesterol diets lead to high cholesterol levels in the blood. Low density lipoproteins, known as LDLs or BAD-cholesterol, build up in the artery walls. They form solid plaques which narrow the artery....
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Answered by Emily T. • Biology tutor
4198 Views

How does oxidative phosphorylation work in respiration

Reduced NAD/FAD from previous stages of respiration (glycolysis, link reaction, Krebs cycle) relocate from the mitochondrial matrix to the inner mitochondrial membrane. At this point they are oxidised, losin...
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Answered by Fionn M. • Biology tutor
4274 Views

What is the function of the cell nucleus?

The nucleus contains genetic material which controls the activities of a cell
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Answered by Lydia C. • Biology tutor
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How does a vaccine work?

A vaccine contains a dead or inactive (an therefore harmless) form of a pathogen. By injecting this into the body, an immune response is triggered and white blood cells produce antibodies specific to the ant...
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Answered by Tianna P. • Biology tutor
5763 Views

How do bacteria develop antibiotic resistance?

So when we give an antibiotic (a drug that kills bacteria) it will kill all of the bacteria that are sensitive to it, if it's taken correctly. A few bacteria may have an adaptation allowing them to resist an...
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Answered by Charlotte N. • Biology tutor
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