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Describe how different types of blood vessel are structurally adapted for their purpose.

Arteries , carrying blood away from the heart have a thick muscular wall that is more elastic than fibrous tissues. This is elastic to cope with the high fluid pressure in the lumen and allows distention and...
DH
Answered by Digby H. • Biology tutor
3540 Views

How does the lock and key mechanism help enzymes to increase the rate of substrate reactions in the body?

Enzymes are proteins that typically help to increase the rate of specific reactions in the body, each enzyme is specific to one or two substrates meaning that different enzymes help to increase the rate of d...
SW
Answered by Sophie W. • Biology tutor
7279 Views

How do I answer essay questions in the exam?

Taking the fear from essay questions Answering essay questions in Geography is an area students often struggle with; most students are used to GCSE style, maximum 20 mark essays. However, students should not...
MS
Answered by Maggie S. • Geography tutor
4398 Views

Evaluate the claim there there can be no disembodied existence after death.

For a question like this we should begin by defining what disembodied existence is - the idea that the soul leaves the body and continues to exist independently of the body after death. Possibly consider som...
AC
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'All characters are, in some sense, autobiographical. Discuss.'

This questions allows itself to be discuss in varying different manners linked perfectly to the marking criteria of both a GCSE and A Level spec. The ambiguity of both "sense" and the absolute natu...
LM
Answered by Laura M. • English tutor
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