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Biology
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What is the equation for respiration?

C6H12O6 + 6O2 --> 6CO2 + 6H20 + E

Answered by Maggie L. Biology tutor
1515 Views

What is phototropism?

Phototropism is the directional growth of a plant in response to a light stimulus.If it grows towards the light then it is positive (the most common type of phototropism)...

Answered by Sacha J. Biology tutor
1771 Views

Explain Darwin’s theory of evolution by natural selection.

In an animal population most organisms produce more offspring than can survive to adulthood. For this reason, there is competition with each other for resources, such as food, shelter and mates, in order ...

Answered by Sevastiani-Zoi P. Biology tutor
1614 Views

Explain why damaged villi may result in poor growth (4 marks)

(mark 1) damaged villi reduce the surface area for villi (mark 2) meaning fewer amino acids and glucose are absorbed (mark 3) less glucose present means there is less energy transferred in respiration (ma...

Answered by Jemima A. Biology tutor
2223 Views

Explain how the body responds to increases and decrease in blood glucose concentration:

When the concentration of glucose in the blood increases, insulin (a hormone) is secreted by the pancreas. It binds to cells, stimulating them to increase their uptake of glucose, hence decreasing the amo...

Answered by Mikhela S. Biology tutor
3706 Views

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