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Explain how an electrochemical gradient is formed in the mitochondria, and how this gradient is used to synthesise ATP.

At the first proton pump and associated electron carrier of the inner mitochondrial membrane reduced NAD releases two H + ions and two electrons. An electron travels down a series of electron carriers, each ...
LZ
Answered by Laurence Z. • Biology tutor
4852 Views

How do I write a good introduction?

Introductions are notably tricky part of the essay to get right. Examiners tend to place a significant amount of emphasis on them. They are sometimes able to predict how highly the essay will score by readin...
LP
Answered by Loukia P. • English tutor
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The curve C has equation y = 3x^4 – 8x^3 – 3. Find dy/dx.

To find dy/dx, the differential, of any function... you must times the coefficient of each variable of x by its power, then reduce the power by one. Using this information we can work out that 3x^4 turns to ...
JC
Answered by Joseph C. • Maths tutor
5138 Views

How do I get high marks in essay questions?

In Business Studies, most of the exam papers will require multiple essay answers, so this is an indespensible skill. You must first understand the structure of an essay, which involves defining the concept, ...
HM
2470 Views

How do I determine the domain and range of a composite function, fg(x) ?

Firstly I would state the rule that for any composite function fg, its domain is always the domain of g. If the student would like to know why this is the case, I would simplify the expression fg(x) to f(g(x...
RS
Answered by Rhys S. • Maths tutor
12068 Views