Top answers

Biology
A Level

In genetics, what does co-dominance mean?

Dominant alleles need the presence of only one copy to ach...

MT
Answered by Michael T. Biology tutor
4189 Views

Where did mitochondria come from?

Mitochondria are a fascinating organelle, which we, as humans, rely on for so much. They are where the electron transport chain occurs, where ADP is conv...

PQ
Answered by Patrick Q. Biology tutor
4518 Views

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
3024 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
10205 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
61183 Views

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