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What is the function of a capillary and how is it adapted to carry out this function?

Capillaries deliver blood to individual cells in the body, supplying them with oxygen and nutrients ...

Answered by Alice S. • Biology tutor

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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 ...

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 respi...

Answered by Ellie W. • Biology tutor

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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. Thi...

Answered by Evie C. • Biology tutor

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How does DNA replication take place?

DNA replication takes place by semi-conservative replication (i.e. only half of the strand in each DNA molecule are from the original DNA molecule). First, the enzyme DNA helices is required to break the ...

Answered by Laura H. • Biology tutor

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