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Briefly describe the components of blood and their functions.

55% of blood is made up of plasma. This liquid component holds the other component of blood, cells, in suspension and thus is vitally important to their transport. Plasma is also important in transporting no...
BG
Answered by Benjamin G. • Biology tutor
10840 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 molecule...
EB
Answered by Eleanor B. • Biology tutor
8470 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, and pa...
NT
Answered by Nicholas T. • Biology tutor
4315 Views

What is mitosis?

When a cell replicates to produce 2 identical copies of the origional cell
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Answered by Gavin M. • Biology tutor
4551 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 hormonal response, comp...
RT
Answered by Rachael T. • Biology tutor
7040 Views