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Explain how enzymes work.

Worth four marks
Enzymes are biological catalysts which are used in reactions. A reaction will typically involve an enzyme and a substrate. Enzymes a...

MK
Answered by Moyo K. Biology tutor
3361 Views

Summarise what is meant by Classical Conditioning.

Classical conditioning refers to a type of learning in which a biologically reactive stimulus is paired with a stimulus which was previously neutral. The result of this process is learning a response to a...

CM
Answered by Clare M. Psychology tutor
2640 Views

How does acidic buffer work?

Acidic buffer is solution which containing high concentration of weak acid and its conjugate base. Its pH would remain relatively constant when adding small amount of acid or base.i.e. CH3COOH...

XH
Answered by Xin H. Chemistry tutor
2484 Views

Sketch 20x--x^2-2x^3

Find roots, stationary points, classify, sketch.

TF
Answered by Tom F. Maths tutor
3764 Views

Theme: Light and Dark

Consider what the topic light and dark refers to. they are contrasting matters, and we must find ways to represent this in the art produced. Maybe get creative by actually combining the two together. cons...

SH
Answered by Sabha H. Art tutor
2207 Views

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