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