Top answers

Biology
A Level

Could you run through the stages in the light-independent reaction (Calvin Cycle) of photosynthesis?

Okay, so here we have what seems like a very daunting​ list of chemical reactions to remember that don't seem to make any sense! But don't worry​, with practice you wi...

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Answered by Shane C. Biology tutor
3220 Views

Describe the process of translation

Translation takes place on ribsomes, which can be found on the rough endoplasmic reticulum (ER) or within the cytoplasm. 

Once the mRNA has been exported from the nucleus it binds to a ri...

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Answered by Amy M. Biology tutor
8748 Views

Explain the difference in the speed of conduction of an action potential along the length of a myelinated neurone and a non-myelinated neurone.

First, we need to explain how the action potential is conducted along the length of the axon.

An action potential is transferred along an axon by the movement of Na+...

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Answered by Catherine H. Biology tutor
8344 Views

How does eutrophication work?

  1. Fertilisers containing nitrogen are washed from fields to rivers and ponds. 2. This effectively fertilises the algae in the pond causing an 'algal bloom'. 3. The layer of algae on the surface stops ...
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Answered by Iona H. Biology tutor
4111 Views

How are blood glucose levels controlled in the body?

When there is an excess of glucose in the blood (as there would be after eating a meal), the increase in blood glucose concentration is detected by the beta cells of the islets...

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Answered by Elizabeth T. Biology tutor
14701 Views

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