Top answers


Compare DNA and RNA

Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) both encode genetic information; however, there are many fundamental differences. Firstly, the sugar backbone for RNA is ribose, while for DNA its deoxy...
ST
Answered by Sara T. Biology tutor
5809 Views

Solve the equation: 5^(2x+1) = 7, giving your answer correct to four decimal places.

First, we take logs of both sides: log(5^(2x+1))=log(7) Now, using the 3rd law of logs (index rule; using the power as the coefficient), we get: (2x+1)log(5)=log(7) i.e. 2x+1 = (log(7))/(log(5)) = 1.20906......
MS
Answered by Mohamad S. Maths tutor
10090 Views

Name three common components of blood; as well as how they are removed from the plasma

Waste (e.g. carbon dioxide) Carbon dioxide is a waste product of respiration, which ends up dissolving in the blood plasma. This can cause the blood pH to decrease, which will ultimately cause a lot of probl...
ST
Answered by Sara T. Biology tutor
3683 Views

Compare and contrast the way the theme X is presented in Text A and Text B

The key for me in answering this question can be found in the structural appraoch - Introduction/ Similarities/ Differences/ Conclusion on the overall defining effect of theme X. Introduction: Breifly summar...
OM
Answered by Olivia M. English tutor
2463 Views

Why is the derivative of inverse tan(x) 1/(1+x^2)?

This can be proven by understanding tan(x) and it's inverse as functions, using implicit differentiation, subsitution and by recognising trigonometric identities (or being able to prove them from first princ...
NG
Answered by Neel G. Maths tutor
7051 Views