Top answers

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
5432 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
3681 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
3209 Views

How do I approach an Othello extract question?

Example of an extract question for Othello: “Read the extract below and then answer the question. Explore the significance of this extract in relation to the tragedy of the play as a whole. remember to inclu...
KM
12695 Views

Explain two causes of inflation using AD/AS analysis.

Two causes of inflation include an increase in the price of oil and a depreciation of the pound. An increase in the price of oil will cause the costs of production for producers to rise, such as when fuel fo...
HN
Answered by Heywood N. • Economics tutor
3749 Views