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What is the structure and features of a DNA molecule

A DNA molecule is shaped in a double helix. It is composed of two sugar-phosphate backbones, conjoined by what we call 'bases'. These nitrogen bases: adenine, guanine, cytosine and thymine, which form the 'c...
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Answered by Gaspard D. • Biology tutor
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What are the functions of political parties in the UK?

The functions of political parties can be broken down into three main categories: Representation, policy making, and education.As a representative democracy, political parties act as the spokespeople for lar...
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Explain one weakness of the multi-store model of memory.

It is argued that the multi-store model of memory is too simple. The model suggests that the short-term memory and long-term memory are unitary stores. However, this appears to be too simple to account for t...
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Answered by Amelia J. • Psychology tutor
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How does the reactivity of group 7 elements (the halogens) change down the group and why? (A Level)

As you move down group 7 from fluorine to iodine, the reactivity of the elements decreases. The halogens are non-metals and when non-metals react with metals, they GAIN the electrons that the metals lose. As...
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Answered by Natalie L. • Chemistry tutor
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Represent 83 in 8 bit binary.

Start on the left side of the binary number - the first digit is the "128s" digit - there are no "128s" in 83 (as 128 is clearly larger than 128), so we start with a 0.Next is 64 - there ...
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Answered by Rose L. • Computing tutor
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