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Describe & Compare the differences in the structure & location of DNA & RNA

Although DNA and RNA belong to the same class of biological molecules, they have many differences in their structure and the location at which they are found. Firstly, RNA is a single polynucleotide chain wh...
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Answered by Alisha H. • Biology tutor
4747 Views

Your school/college has organised an exchange trip to France. As part of the programme, you spend several days staying with a French family. On your return you are asked to write an account of your experience in French for your school/college website.

Pendant l'été, je suis allé à la France pour un voyage d’échange avec ma classe, beaucoup de mes amis ont voyagé avec moi cependant j’ai passé le semaine avec un famille français. La maison de la famille éta...
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Answered by Elizabeth B. • French tutor
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Type 1 Diabetes is an autoimmune disease affecting the bodies ability to produce insulin. Describe how blood glucose is controlled in the body to a stable level, and how this would be affected in someone with type 1 diabetes.

Blood glucose is controlled via a negative feedback mechanism. High blood glucose is detected by B-cells of the Islets of Langerhans in the pancreas, and in response to this, these cells secrete insulin. Ins...
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Answered by William H. • Biology tutor
2983 Views

What is the distinction between analytic and synthetic propositions?

Analytic propositions can be understood purely by virtue of the meaning of the words used to articulate them. For instance, the claim “A triangle has three sides” can be understood without checking against r...
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Answered by Sophie O. • Philosophy tutor
7644 Views

Barney has 12 items of fruit. Four of these are apples. If Lucy takes one of Barney's items of fruit at random what is the probability it will be an apple? What is the probability it will not be an apple?

12 items of fruit. 4/12 are apples - can 4/12 be simplified? Yes both can be divided by 4 and so the fraction becomes = 1/3 for the probability of taking an apple. The probability of NOT taking an apple is 1...
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Answered by James B. • Maths tutor
2943 Views