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Biology
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In DNA, if you know the percentage of a base on 1 strand, how do you work out the bases on the opposite strand?

This questions requires knowledge of the base pairing in DNA, plus a little bit of maths! As you know, bases on the 2 DNA strands always pair in the same way: A (adenine) with T (thymine) , C (cytosine...

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Answered by Eleanor B. Biology tutor
13973 Views

Are diffusion and osmosis the same thing?

Diffusion is defined as the movement of a substance from a high concentration to a low concentration, meaning they move from where there are lots of them to where there are fewer. Diffusion of these mo...

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Answered by Eleanor B. Biology tutor
7861 Views

I've tried to learn all my notes, but what is the best way to prepare for the exam?

It's fantastic if you manage to learn all your notes before the exam, but knowledge isn't everything. It's also about how you apply the knowledge. I would recommend getting to grips with the syllabus, ...

NT
Answered by Nicholas T. Biology tutor
3857 Views

What is mitosis?

When a cell replicates to produce 2 identical copies of the origional cell

GM
Answered by Gavin M. Biology tutor
4083 Views

How would you go about comparing hormonal and nervous responses in mammals?

In questions like this, you must set out your answer clearly (which makes it easier for the marker to give you marks).
One way of doing this is writing sentences such as:
_____ in the hormo...

RT
Answered by Rachael T. Biology tutor
6500 Views

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