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What is the basic essay format for an extract question?

Introduction2 or 3 sentencesWhat happens in the extract?What has just happened before the extract?What changes as a result of the extract? 3 Paragraphs for the body of the essayONE main point per paragraphEa...
EO
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Describe how phagocytosis of a virus leads to presentation of its antigen

The phagosome containing the virus fuses with the lysosome, which then releases hydrolytic enzymes. These enzymes then destroy the virus, and the antigens from the virus are consequently incorporated into th...
SF
Answered by Sam F. • Biology tutor
5320 Views

Given that Y=(x+3)(x+5); find dy/dx

Y=(x+5)(x+3) ............(1)The above expression on the right is a product of two expressions,Hence, product rule differentiation method will be employed as stated below:Y(u,v)=U(x).V(x) .........(2)dy/dx=Ud...
DE
Answered by Dr Edosa O. • Maths tutor
3587 Views

How does an action potential travel between two neurones?

When an action potential reaches the end of one neurone, it cannot simply move to the next one as there is a gap (the synapse or synaptic cleft ) between the two neurones. Instead, when the action potential ...
AF
Answered by Alice F. • Biology tutor
3114 Views

What are the differences and similarities between eukaryotic and prokaryotic cells?

There are two types of cell called Eukaryotic cells and Prokaryotic cells. Eukaryotes are organisms made up of eukaryotic cells which include animals, plants and fungi (you can remember this as YOU are a EU-...
AF
Answered by Alice F. • Biology tutor
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