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Biology
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How does a gene mutation alter a protein?

A genetic mutation, defined as being a change in the DNA base sequence would lead to a change in the primary structure of a protein (a change in the amino acid sequence). This would lead to a change in th...

AH
Answered by Ahmed H. Biology tutor
2968 Views

Describe the process by which Tissue Fluid is formed

High Hydrostatic Pressure at the Arteriole end of the capillary.
This pushes water and other small molecules out of the capillary into the extra cellular space, whilst proteins stay in the capillary ...

IR
Answered by Idrhys R. Biology tutor
4263 Views

How does a nerve ending work?

The action potential has been propagated along the axon of the neuron causing the depolarisation of the membrane. When this action potential reaches the end of the neuron, or the synapse, it also depolari...

JO
Answered by Jake O. Biology tutor
2013 Views

How is tissue fluid formed and returned to the circulatory system?

At the arterial end of a capillary the blood is under a fairly high pressure. This hydrostatic pressure 'squeezes' a fluid called tissue fluid out of the pores in the walls of the capillary (fenestrations...

BR
34584 Views

Why does temperature affect rate of reaction?

Increase temperature means molecules have increased kinetic energy and so move around more . Increasing the frequency and power of collisions leading to more enzyme substrate complexes forming and increas...

HA
Answered by Haider A. Biology tutor
2338 Views

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