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Biology
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Explain the process of synaptic transmission

The synapse is the junction between two neurons. When an action potential reaches the synaptic knob of a neuron, voltage-gate calcium channels are opened, causing an influx of positively charged calciu...

HJ
Answered by Heather J. • Biology tutor
12243 Views

What is Eutrophication? What are the stages of Eutrophication?

Eutrophication is the loss of oxygen in a body of water (e.g. pond or lake). This is usually due to algal bloom caused by artificial fertilisers and other chemicals being washed into the water by rain.The...

CG
Answered by Charlotte G. • Biology tutor
43366 Views

What is the difference between mRNA and tRNA?

RNA stands for riboncleic acid. mRNA is messenger RNA. This type of RNA is a linear polymer involed in a part of protein symthesis called transcription. It allows the DNA code to be taken outside the n...

SL
Answered by Sophia L. • Biology tutor
15811 Views

What properties does water possess that make it an essential molecule for life?

·       Solvent – Good for polar substances (salts, sugars, simple alcohols)

·       Heat Capacity – Energy to raise 1kg water by 1oK. Keeps blood temperature stable

CB
Answered by Connor B. • Biology tutor
5020 Views

What is the function of muscle cells found in the stomach wall

Muscle cells are present in the stomach wall so that they can contract and move the food. This aids digestion and the action of enzymes

HJ
Answered by Helen J. • Biology tutor
52644 Views

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