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What are the key steps in DNA replication during the S-phase of the cell cycle?

The enzyme DNA helicase 'unzips' the double helix DNA structure but disrupting the hydrogen bonds between the bases. This forms a replication fork that becomes the template for replication.Replication the...

Answered by Natasha E. • Biology tutor

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How to integrate lnX?

Firstly I would ask the student what different ways of integration do we know so far? After eliminating each possibility, such as the answer is not XlnX, as this differentiates via product rule, the stude...

Answered by Siam R. • Maths tutor

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Work out the area of this triangle given the lengths of 1 sides (a) and 2 angles (A and B) using either the sine rule

We know the area of any triangle is equal to 0.5abSin(C). This means we need to find the length of side b and the angle C.First we can work out the angle C of the triangle as we know the angles in a trian...

Answered by Risha A. • Maths tutor

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Name a non-reducing sugar and outline a test which can identify its presence. (6)

Sucrose (1)Rule out reducing sugars - heat in a water bath. Add Benedict's solution. Should remain blue. (1)Add dilute HCl to a new sample and heat in a water bath (1)Neutralise with NaHCO3 (1)Add Benedic...

Answered by Annie R. • Biology tutor

3151 Views