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Explain why an enzyme catalyses only one reaction.

Enzymes only have one active site which is only complementary to one specific substrate.
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Answered by Luckksha L. • Biology tutor
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Define the term ‘derived demand’

The demand for a good or service reulting from or leads to the demand for another good or service.
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Explain the formation of limestone pavement.

Limesone is a calcium carbonate and when rainwater mixes with carbon dioxide in the atmosphere it becomes weak carbonic acid. Calcium carbonate is soluble in this acid and thus causing the process of carbona...
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Outline one reason why the largest earthquakes do not always cause the most deaths.

Varies reasons inclusing: Population density - more people menas more people get affected Infrastructure - more built up menas more buildings will be affected and can collapse Location - A large earthquake c...
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What is the role of red blood cells in our body?

Red blood cells are vital for us to stay alive as they carry out an extremely important role in our body - oxygen transport. Red blood cells are the carrier of oxygen around our body in the blood stream, and...
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