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Why is there a leading and lagging strand during DNA replication

The double stranded DNA is first unzipped by an enzyme called helicase. Helicase separates the two strands of DNA, and creates the replication fork. Essentialy two single stranded DNA chains are created, bot...
MN
Answered by Mark N. • Biology tutor
47623 Views

Lenin and Stalin were equally ruthless in their use of terror - how far do you agree with this statement?

On the surface, Lenin and Stalin were equally ruthless in their use terror. However, by virtue of the length and intensity of Stalin's communist state, the very culture of Russia changes to one of permanent ...
AC
Answered by Amelia C. • History tutor
10216 Views

What is the Haber process? What are the optimal conditions for the reaction and why are they not used in practice?

The Haber process is a reaction of burning Nitrogen and Hydrogen to make NH3.The formula is 2N2 + 3H2 - 2 NH3. The reaction is reversible.The forward reaction is exothermic so when the temperature is increas...
IM
Answered by Iona M. • Chemistry tutor
4731 Views

Describe three possible structures of the allotropes of carbon

1.Graphite is made up of multiple flat layers of carbon, where the layers are not covalently bonded together. Three covalent bonds hold the atoms in each layer together, forming a repeating hexagonal ring st...
JC
Answered by James C. • Chemistry tutor
3345 Views

State the conditions by which a Poisson distribution model may be suitable for a given random variable X.

The events recorded by X occur randomly, independently, singly in space and time and at a constant average rate (an average (mean) rate proportional to the length of the interval).
KC
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