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How do I structure a good essay?

A good essay structure is essential for expressing your ideas clearly and showing the examiner that you know what you are talking about. Always make sure that your essay includes an introduction, a body and ...
SG
Answered by Sérina G. • English tutor
3365 Views

How do I use the imperfect in French?

In French, the imperfect is used to describe a scene (il FAISAIT beau), to say that you did something regularly in the past (je MANGEAIS un burger toutes les semaines) or to describe a continuous action in t...
SG
Answered by Sérina G. • French tutor
3864 Views

Given that your grade for your computing is based on 5 coursework that weigh differently, and you know the results of 4: 80, 75, 50 and 90 which weighs 10%, 20%, 45% and 5%. What grade do you need in your last coursework to achieve at least a B (70%)?

You know the following: A) 80, 10% B) 75, 20% C) 50, 45% D) 90, 5% E) X, (100-10-20-45-5)% = 20% Therefore, create a formula with the facts given and the mean marks must be at least 70. Note that 10% is equi...
CZ
Answered by Chen Z. • Maths tutor
4760 Views

What is a proposed model for enzyme activity?

The lock and key model: Only substrates of a specific shape that is complementary to the active site of an enzyme can fit into the active site, in a way that is analagous to a key fitting into a lock.
AP
Answered by Alastair P. • Biology tutor
5261 Views

How is the structure of alveoli suitably adapted for efficient gas exchange?

Very thin walls result in a short diffusion distance which makes gas exchange particularly favourable. Lots of branches and sacs result in a large surface area so gas exchange can be maximised.
AP
Answered by Alastair P. • Biology tutor
7968 Views