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Biology
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What are the key differences between plant and animal cells?

There are several important differences betwe...

Answered by Jake C. Biology tutor
6936 Views

Why is ATP used as an energy store in cells?

ATP is an unstable molecule therefore it releases the energy stored readily and quickly, this is essential for metabolic processes in the cell such as active transport and protein synhesis. As well as...

Answered by Joscelin S. Biology tutor
19817 Views

What are two ways which the body cools itself down when too hot?

Vaso-dilation: blood vessels near to the skin's surface dilate which allows more heat to be lost. This is because more blood can flow through as there is more room in the lumen.

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Answered by Hannah P. Biology tutor
13429 Views

What is the difference between the primary and secondary immune response?

The Primary Immune Response occurs at first contact with the pathogen. 

27186 Views

What are the key steps in the light dependent reaction of photosynthesis?

  1. Light energy from the Sun excites electrons in chlorophyll and the excited electrons are emitted.2. The chlorophyll molecule is now positively charged and chemically less stable. The lost electrons ...
Answered by Aditi A. Biology tutor
18597 Views

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