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When a price changes from £15 to £20. By how much percentage has the price changed?

If a price goes up from £15 to £20, the price has increased. The rate of increased is solved by finding the difference in the change which is £5 (£20-£15). The percentage is gotten by £5/£15 *100% and the an...
BI
Answered by Benjamin I. • Maths tutor
3609 Views

Explain the concepts of primary, secondary, tertiary and quaternary

A protein's function is determined by its structure. The structure of a protein can be described in four different ways, the most basic of which is the primary structure. Proteins are made up of polypeptide ...
ME
Answered by Matt E. • Biology tutor
8975 Views

How do I stop writing everything I know about a text in my answers?

You've heard it before but plan, plan, plan. Planning in an exam can always seem daunting - you panic about whether you're remembering texts correctly. One way to solve this is to plan as revision. This solv...
EC
4713 Views

How do I begin to learn all the texts on my course?

Break your work down so it is more manageable. One technique which often works for both visual and reading/writing learners is to make tables mapping out the poems, books and plays you are studying. Then bre...
EC
4483 Views

What is a disaccharide

A saccharide composed of two sugars. For example lactose is a disaccharide as it contains glucose ( a monosaccharide) and galactose (another monosaccharide) connected by a glycosidic bond
AP
Answered by Asya P. • Biology tutor
5461 Views