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What is an infinitive verb?

An infinitive verb is essentially just the simplest form that a verb can be.It doesn't specify anything to do with who is completing the action; just the action itself.For example, in English we have infinit...
MT
Answered by Moira T. • Spanish tutor
2766 Views

Describe the differences between noncompetitive and competitive inhibition of enzymes.

The key differences here are where the inhibitor binds to the enzyme, competitive bind to the active site and as such compete directly with the normal substrate of the enzyme. Noncompetitive bind to a site o...
TB
Answered by Thomas B. • Biology tutor
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The equation of a curve C is (x+3)(y-4)=x^2+y^2. Find dy/dx in terms of x and y

Expand to get xy+3y-4x-12=x^2+y^2Rearrange to xy+3y-4x-12-x^2-y^2 Then you have to differentiate implicitly: use product rule on xy to get:u = x v =ydu = 1 dv = dy/dx so xy differentiates to xdy/dx + y Then ...
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Answered by Ravi R. • Maths tutor
4839 Views

The MMR vaccine gives protection against measles, mumps and rubella. How? (4 marks)

. Vaccine contains antigens from the pathogens . This is recognised by helper T cells which activates other helper T cells and B cells . B cells undergo clonal selection and produce memory + plasma cells . P...
MV
Answered by Mohit V. • Biology tutor
3517 Views

Choose whether these sentences use the subjunctive or indicative tenses.

A typical subjunctive/indicative exercise- my answers are in bold. Il est important que je [venir] ce soir, car ma soeur m'attende. vienne (subj) Je pense qu'elle [être] intelligente. est (ind) Je ne pense p...
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Answered by Flora M. • French tutor
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