Top answers


How can I make my personal statement stand out?

All to often, students sitting down to write their personal statement worry it might come across as generic 'box-ticking' as prospective medical students now complete work experience, volunteering and extrac...
DW
3014 Views

Explain how amino acids could be identified using gel electrophoresis

The sample of amino acids is placed in the center of a polyacrylamide gel, across which a voltage is applied. Depending on the pH of the buffer, the amino acids will move at different rates towards either th...
EH
Answered by Eleanor H. Biology tutor
13392 Views

What is the best way to go about answering a long answer biology question?

Answering questions in biology that offer more marks is all about key words - usually the examiner has a few of these in front of them that offer a mark simply for using the word in your answer. The good thi...
DY
Answered by Daisy Y. Biology tutor
7603 Views

Integrate sinx*ln(cosx) with respect to x.

1. ʃ sinx*ln(cosx) dx First notice the composition ln(cosx). To make the expression easier to integrate we try substitution (substitution is often useful when trying to integrate expressions that are or incl...
DS
Answered by Darshan S. Maths tutor
19301 Views

What are isotopes and how do they differ from each other?

An isotope is a different form of the same element. They differ from each other by the number of neutrons, however they have the same number of protons and electrons. This results in a different atomic mass....
HT
Answered by Hayden T. Chemistry tutor
41594 Views