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What is the difference between DNA and RNA?

DNA and RNA are both examples of nucleic acids, and so are formed from long chains of nucleotides. However, there are three broad structural differences between the two. 1) DNA is usually found double-strand...
LK
Answered by Luke K. • Biology tutor
6135 Views

OCR C2 2015 Question 8: (a) Use logarithms to solve the equation 2^(n-3) = 18,000 , giving your answer correct to 3 significant figures. (b) Solve the simultaneous equations log2(x) + log2(y) = 8 & log2(x^2/y) = 7.

(a) This question actually tells us what to do . It is very hard to miss " use logarithms to solve... ". So our first step is going to be to use logs (especially as we can also see that is very lit...
JH
Answered by Jonathan H. • Maths tutor
8073 Views

What top tips would you give for the BMAT test?

The BMAT test is very demanding by medical and dental schools that use them as part of their admissions process. Effective preparation is vital to perform well and have a strong chance at getting those compe...
AG
2865 Views

If a person drinks a lot of water, the water content of their blood will increase. Describe how the water content of their blood is regulated.

Osmoreceptors in the hypothalamus detect the increase in water concentration. This stimulates the pituitary gland to release less ADH. This reduces the amount of ADH in the blood and so, reduces the amount o...
AS
Answered by Avnish S. • Biology tutor
10953 Views

How has the role of TNCS aided development in poorer countries?

TNCs, or transnational corporations, are companies who have bases in countries other than their "home" or origin country (e.g. Apple, a major global TNC, has its headquarters primarily based in Cal...
KT
Answered by Kate T. • Geography tutor
13224 Views