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Biology
GCSE

What are the main differences between aerobic and anaerobic respiration

Aerboic respiration requires oxygen wheras anaerboic respiration does not. Because of this, glucose does not fully break down, resulting in there being much less energy produced. The end products are also...

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Answered by Samuel H. Biology tutor
9969 Views

Explain what a synapse is and explain how information passes across a synapse

A synapse is a junciton between neurones. Information is passed across a synapse when a chemical neurotransmitter is released from one neurone across the synpase to the next neurone causing an electrical ...

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Answered by Autumn L. Biology tutor
3504 Views

How does the blood move through the heart?

The heart is a pump, which moves blood around your body. It has 4 areas filled with blood, called chambers and a right and left side. There are two atria and two ventricles, one of each on each side. The ...

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Answered by Grace M. Biology tutor
4820 Views

What is a reflex and what do you mean by a reflex arc? (both "reflex" and "reflex arc" are on the CCEArevised GCSE Biology specification)

 1. A reflex is an automatic response to a stimulus. For example: If I touch a hot plate, my hand will automatically pull away from the heat. Another example is the pupillary light reflex...

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Answered by Michael M. Biology tutor
4093 Views

How and why does an increase in temperature effect the rate of an enzyme substrate reaction?

As temperature increases up to the optimal temperature for the enzyme, the rate of reaction will increase at a steady rate because the kinetic energy of the enzyme and substrate molecules increases, so th...

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Answered by Edward S. Biology tutor
2963 Views

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