Top answers

How do white blood cells protect us against pathogens?

Some types e.g. macrophages can engulf and digest pathogens, killing them 2) Produce antibodies which recognise and target specific pathogens, thus preventing secondary infection 3) Produce antitoxins which ...
NW
Answered by Natasha W. • Biology tutor
7503 Views

How can I revise for the unseen poetry part of the exam?

Despite not being able to see the poem beforehand, there are several ways to prepare such that a strong critical opinion can be methodically formed, regardless as to whether its true ‘meaning’ is immediately...
DJ
Answered by David J. • English tutor
2248 Views

When completing creative writing questions, how do I get my readers attention?

When completing a creative writing piece, the aim is to draw your readers attention straight away so they are focused and interested from the beginning and therefore for the rest of your writing. This could ...
KB
2122 Views

If a right angled-triangle has sides A,B,C where A = 4 and B = 3 what is the value of side C?

This problem can be solved using Pythagoras Theorem equation: A 2 + B 2 = C 2 (see diagram for explanation) Substitute the numbers given in the question into this equation:(4) 2 + (3) 2 = C 2 Expand out the ...
GW
Answered by Gina W. • Maths tutor
3721 Views

When should we use the subjunctive mood as opposed to the indicative?

The indicative is used to make factual statements or to describe real things and events. On the other side, the subjunctive is used to express desire, doubts, the unknown and the abstract. Subjunctive senten...
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Answered by Telmo O. • Spanish tutor
2464 Views