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Compare and contrast the structure of DNA and RNA (3 marks)

Similarities: - Both consist of a pentose sugar , a phosphate group and 4 nitrogenous bases. - Both are joined by covalent phosphodiester bonds between the phosphate and pentose sugar groups. Differences: - ...
AA
Answered by Anna A. • Biology tutor
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Examine why economic globalisation is controversial. (12 marks)

One major controversy regarding economic globalisation is that it results in the perpetuation of economic inequalities between states due to the need for developing states to enter the global free market. Th...
PJ
Answered by Polly J. • Politics tutor
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Find the stationary points of y = 4(x^2 - 4)^3

This question challenges the student's ability to use the chain rule and to understand what a stationary point is. Having recognised that the chain rule is required, the first step is to use the substitution...
TL
Answered by Tom L. • Maths tutor
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Calculate the integral of ln(x)

Calculating the integral of ln(x) is harder than it might look and must be done using integration by parts, where the two parts are 1 and ln(x). The integration by parts formula is as follows integral{udv) =...
CR
Answered by Callum R. • Maths tutor
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Describe and explain how temperature affects the rate of an enzyme-controlled reaction?

Up to the optimum temperature (around 37 degrees Celsius) kinetic energy increases. So the likelihood of successful collisions between the active site of the enzyme and substrate increases. More enzyme subst...
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Answered by Enya F. • Biology tutor
6178 Views