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How should I revise?

First of all it is important to have clear and useful notes to revise from.

Keep your school notes organised and you can write your own notes while looking back over these online sessions...

SB
Answered by Sarah B. Biology tutor
3293 Views

What is negative feedback and what is positive feedback? Give an example for each of where it is important in regulation?

Negative feedback: occurs where the feedback causes the corrective measures to be "switched off", and in doing so returns the system to its original level.

Exam...

SB
Answered by Sarah B. Biology tutor
11983 Views

(Briefly) describe the four phases of aerobic respiration?

Glycolysis: Takes place in the cytoplasm and involves the oxidation of a 6-carbon glucose molecule to two 3-carbon pyruvate molecules with a net gain of ATP and reduced NAD (2 molecule...

SB
Answered by Sarah B. Biology tutor
8664 Views

Integrate x*ln(x)

This example provides us with a better understanding of how "Integration by parts" works. Building an extensive knowledge of Integral calculus requires a lot of work, but once the basics are ...

MM
Answered by Maximilian M. Maths tutor
6351 Views

How many different ways are there to seat 6 people at a round table?

First, let's think of how many different possibilities we have to seat 6 people at a 'normal' table, i.e. in a straight line. Let's call the people A, B, C, D, E, F. We now have 6 seats:

...

SB
23691 Views

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