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A Level

What are the different types of enzymes and their roles involved in DNA replication?

The different types of enzymes include DNA polymerase which catalyses the formation of the bonds between adjacent nucleotides on each strand of the double strands. It also includes DNA ligase which is res...

CT
Answered by Carmen T. Biology tutor
3496 Views

Explore how the “victims” are created and used by the authors of both texts, in Toni Morrison’s “Beloved” and Oscar Wilde’s “The Picture of Dorian Gray”

[Example introduction]Victimisation is a key trope within literature, particularly in dealing with the supernatural. Both Wilde’s “The Picture of Dorian Grey” and Morrison’s “Beloved” grapple with the con...

MB
Answered by Molly B. English tutor
7655 Views

Why does gravitational potential energy have a negative value?

The negative value stems from the definition of gravitiational potential energy which states that it is equal to the work done by the gravitational field moving a body to its given position from infinity....

KP
Answered by Kush P. Physics tutor
4577 Views

What is the difference between glucose and glycogen?

Glucose is a monosaccharide, meaning that it is composed of single units. This is suitable for transport through the blood stream. Glycogen, however is a polysaccharide meaning that is composed of at leas...

SC
Answered by Samuel C. Biology tutor
9323 Views

Assess to what extent China can claim to be a superpower

China is a BRIC, or emerging, country and is challenging the USA for superpower status1) Economically low cost labour - cheap manufacturing costs - can outpace US companieslarge volume of exports - US rel...

RS
Answered by Rebecca S. Geography tutor
9953 Views

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