Top answers

Biology
A Level

What is the name of the first stage of respiration?

Glycolysis. This is an anaeorbic process whereby glucose is converted to pyruvate via triose phosphate. This process gives out a total of 4 ATP molecules but requires 2 ATP molecules to convert glucos...

AS
Answered by Adam S. Biology tutor
3297 Views

How does an action potential cause contraction in skeletal muscle?

The point at which a motor neurone synapses with a muscle fibre is called the neuromuscular junction. The unmyelinated nerve fibre stops around 30 nanometers before the muscle fibre, leaving a gap cal...

OM
Answered by Orla M. Biology tutor
10781 Views

Explain the structure of a Protein and how this can relate to its function.

A protein is a polymer made up of 20 possible amino acid monomers. The amino acid monomers are made up of three components:

 

1)

ED
Answered by Emma D. Biology tutor
62720 Views

What are the main differences between eukaryotes and prokaryotes?

Both eukaryotes and prokaryotes are types of living cell. The types of cell you normally consider in the animal body are eukaryotes. They have a cell membrane around the outside, with a nuceus in its ...

SR
Answered by Sophie R. Biology tutor
6709 Views

What is the difference between the nervous system and the hormonal system?

The biggest difference between the two is that the nervous system uses electrical impulses to send signals through neurones, whereas the hormonal system uses chemical messengers transported into blood...

JH
Answered by James H. Biology tutor
213590 Views

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