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Explain how desert plants have adapted to help them survive in extreme environments

Think about the extreme conditions found in desertsHot temperaturesLack of water for long periods of timeVulnerable to animals Think about the characteristics of these plants:Small leavesSpikesLarge stem Lar...
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Answered by Chloe B. • Biology tutor
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Describe how living plants are involved in the carbon cycle.

Think about what carbon is used for, and also what plants are required for. Plants take in carbon dioxide from their surroundings, which enables them to undergo photosynthesis. At night, plants respire, rele...
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Answered by Ellie W. • Biology tutor
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Outline the process of neuronal communication between two neurones

Ensure that your answer is precise, without too much waffle - this can confuse examiners and you'll lose easy marks! Take it step by step: First, the neurotransmitter , acetylcholine , is released from the p...
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Answered by Ellie W. • Biology tutor
3094 Views

What is the role of adrenaline in glucoregulation?

Although a lot of the time this can seem like a daunting question as there's a lot of specific terminology to use and a variety of reactions/interactions occurring, by splitting it up into short, simple step...
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Answered by Ellie C. • Biology tutor
3356 Views

Explain how a substitution mutation could cause an enzyme not to work (5)

The mutation changes the order of bases so there is a different triplet code present. This results in a different amino acid being coded for in the polypeptide chain. This means a different protein with a di...
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Answered by Evie C. • Biology tutor
8735 Views