Top answers

Name the three components of a nucleic acid

pentose sugar and phosphate group backbone nitrogenous base
GS
Answered by George S. • Biology tutor
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How do you find the area between two lines?

First, find the x coordinates of where the lines intersect by setting the equations of the lines equal to each other. Then solve the quadratic (or polynomial) equation. Next, integrate both lines individuall...
RP
Answered by Rory P. • Maths tutor
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How do I make my Personal Statement stand out?

This is very important. By talking to me about what you've written so far I can help out with the wording, get rid of any cliches and turn your statement into a unique and successful entry to medical school.
PS
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A student titrates 25.00 cm3 of hydrochloric acid with 28.60 cm3 sodium hydroxide solution of concentration 0.200 moles per dm3. The equation for the reaction is: HCl + NaOH to NaCl + H2O. Calculate the concentration of the hydrochloric acid.

From the equation given in the question we can see that one mole of hydrochloric acid (HCl) reacts with one mole of sodium hydroxide (NaOH). The first thing to do is to work out the number of moles of sodium...
HA
Answered by Hannah A. • Chemistry tutor
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You are given a square which you are told has a total area of 100 squared centimetres. You are also told that one side of the square has dimension 4(3x + 2), and the other has dimension 8x - y. What are the values of x and y?

The first thing to know is that a square has equal sides, and that the area of a square is length x length. Therefore in this case Length x length = 100 or Length 2 = 100 ans so Length = square root of 100 =...
HA
Answered by Hannah A. • Maths tutor
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