Top answers


Explain the advantages of eukaryotic cells having mitochondria?

Mitochondria are advantageous as they allow the cell to respire aerobically, without them they can only respire anaerobically. As a result of this aerobic respiration due to the mitochondria's presence they ...
AL
Answered by Alex L. • Biology tutor
12241 Views

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 capable o...
AS
Answered by Aishwarya S. • Biology tutor
3500 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 te...
JM
Answered by Jonathan M. • Biology tutor
5626 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 living organisms i...
OM
Answered by Omehra M. • Biology tutor
9860 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 people...
AB
Answered by Amy B. • Biology tutor
3149 Views