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What is the imperfect tense and how do I conjugate it?

The imperfect tense describes something one 'used to do'. It is less specific than the perfect tense, which describes a specific action taking place at a specific time, and is used to describe more general a...
MJ
Answered by Michael J. • French tutor
3929 Views

Outline the lock and key mechanism of enzyme-controlled reactions

Enzymes are proteins that catalyse specific biological reactions in the body. These proteins have a specific 3D structure known as a teritary structure, with a specialised domain known as an 'active site' th...
MJ
Answered by Michael J. • Biology tutor
7904 Views

How do I analyse a source?

In order to understand a source and write the best possible answer, there are seven easy steps to take: 1. What does the source say? We need to briefly look at the source to understand what it is. For exampl...
AP
Answered by Alexandra P. • History tutor
4459 Views

What is the difference between Areobic and Anaerobic Respriation

Areobic Respiration requires oxygen to release energy, producing water and carbondioxide as waste products according to equation belowC6H1206 + 6O2 = 6CO2 + 6H20Areobic respriation occurs in the mitochondria...
VE
Answered by Victoria E. • Biology tutor
8555 Views

What's the difference between the mean, median and mode?

The mean, median and mode are three types of averages which you will be asked about in your GCSE maths exam. The best way to learn maths is by by doing it or at least running through examples. E.g. Given the...
TK
Answered by Thomas K. • Maths tutor
10174 Views