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Biology
GCSE

How do I answer a long answer question so that I get all of the marks?

Long answer questions (6+ marks) can normally be split into 3 marks for basic content and 3 marks for reasons. Long answer questions will also be assessed on quality of written communication - this means ...

Answered by Jenny A. Biology tutor
2304 Views

What is the enzyme lock and key mechanism?

Enzymes are proteins and they have specific shapes.Do you know what active site is? Region where the chemical reaction happen, this is a different shape on different enzymesDo you...

Answered by Millie B. Biology tutor
3297 Views

How does an adult develop immunity to a toxin (3 marks)

They must first become exposed to the bacteria or pathogen that produces the toxin. This will either be though encountering it naturally or through a vaccination. Once the pathogen has entered their body ...

Answered by Lexie H. Biology tutor
3499 Views

Why does the left side of the heart contain more muscle?

The left side of the heart contains oxygenated blood delivered by the pulmonary vein from the lungs. This blood must be pumped to the rest of the body, therefore more muscle is required to generate enough...

Answered by Frederikke M J. Biology tutor
2238 Views

What is phagocytosis?

Phagocytosis is the process in which White Blood cells, such as neutrophils, engulf pathogens e.g. bacteria.

Answered by Anthony I. Biology tutor
2175 Views

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