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Biology
GCSE

What sort of inhibitor in an enzyme catalysed reaction is NOT affected by substrate concentration?

Non competitive inhibitors bind to a site other than the active site, called the allosteric site. As a result of this, the 3D tertiary structure of the enzyme is damaged and the enzyme is no longer capabl...

AS
Answered by Aishwarya S. Biology tutor
2817 Views

Can you explain the difference between diffusion and osmosis?

Diffusion refers to the movement of molecules or atoms from an area of high concentration to an area of low concentration, down a concentration gradient. It first clicked for me when I thought about it in...

JM
Answered by Jonathan M. Biology tutor
4473 Views

What is the difference between communicable and non-communicable diseases

Looking at the word communicable you may notice that it sounds similar to the word communicate, which is exactly what it means.

A communicable disease is one which can communicate to other liv...

OM
Answered by Omehra M. Biology tutor
8709 Views

A scientist is researching the effect of an energy drink on a group of twenty men. State two characteristics of the sample which may influence the results.

So this question is looking at how characteristics of different people may affect how they respond to an energy drink. A good way to start thinking about this question is to think about what makes the peo...

AB
Answered by Amy B. Biology tutor
2581 Views

What are the main differences between mitosis and meiosis?

Mitosis and meiosis are both examples of cell division that result in the creation of new cells. There are two main differences between these processes; firstly, meiosis involves two cell divisions and mi...

BO
Answered by Bryonie O. Biology tutor
2852 Views

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