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Describe the differences between DNA and RNA?

DNA is: - double stranded- has thymine as a base- longer RNA is:- single stranded- has uracil as a base (instead of thymine)- shorter
MM
Answered by Muhammed M. • Biology tutor
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How do I comment on Williams use of staging in an essay on A Streetcar Named Desire?

Firstly, I would advise a student to remember that Streetcar is a play, not a novel therefore the audience won’t see Williams’ highly detailed stage directions. As Streetcar is a play it is essential to bein...
AS
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What is the context for the presentation of service in The Tempest?

A key context for the presentation of service in The Tempest is that of Elizabethan/Jacobean colonialism. Explorations of the New World had received fresh impetus in the period during which Shakespeare would...
WT
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F(X)= 4/(x-3) g(x)= (x+2)/x solve fg(a)= 1

4/(x-3)*(x+2)/x= 4x+8/ x 2 -3x sub in a for x4a+8/a 2 -3athen equate to 1: 4a+8/a 2 -3a=1Times the bottom half of the equation up4a+8=a 2 -3aThe move the 4a+8 across to get a 2 -7a-8=0Factorise (a+1) (a-8)
EJ
Answered by Esther J. • Maths tutor
9017 Views

Calculate the percentage composition by mass of Lithium Sulfate, Li2SO4.

(Taken from GCSE WJEC Additional Science Book- First Published in 2012) and I have adapted the answer given.Relative atomic masses: Li = 7 ; S= 32 ; O=161) Calculate molecular mass of lithium sulfate (Li2SO4...
EL
Answered by Elinor L. • Chemistry tutor
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