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Biology
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What does the primary structure of a protein refer to?

The primary structure of a protein is simply refers to a sequence of amino acids.

BE
Answered by Basel E. • Biology tutor
3006 Views

What is eutrophication?

Eutrophication (also called algal bloom) is a massive growth of green plants in lakes and rivers, caused by the use of fertilisers in industry, washed off the land by rain.The fertilisers cause the green ...

RR
Answered by Rhianna R. • Biology tutor
3132 Views

Outline the main differences between prokaryotic cells and eukaryotic cells.

Prokaryotic cells are much smaller than eukaryotic cells.Prokaryotic cells have no nucleusDNA in prokaryotic cells are not associated with proteins whereas DNA in eukaryotic cells are assoicated with hist...

KL
Answered by Ka L. • Biology tutor
3480 Views

Explain the process that occurs from when the action potential reaches the pre-synaptic knob to transmission in the next neurone. (6 Marks)

Once an action potential reaches the synaptic cleft of a pre-synaptic neuron, voltage-gated calcium channels open. It is the depolarisation

BE
Answered by Basel E. • Biology tutor
4149 Views

Name 3 differences between a plant cell and an animal cell.

A plant cell contains the following which an animal cell does not:ChloroplastsPermanent vacuole filled with sapCellulose cell wall
Animal a...

KG
Answered by Kieran G. • Biology tutor
6203 Views

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