Top answers

What makes up a DNA nucleotide?

-A phospate group -A hexose sugar (deoxyribose) -A nitrogenous base (A, G, C or T)
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Answered by Augusta T. • Biology tutor
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What are 2 functions of bile?

Bile is alkaline, so it neutralises the hydrochloric acid from the stomach. This creates the right pH for the enzymes working in the intestine. As well as this, bile is an emulsifier. It breaks up big drople...
MT
Answered by Megan T. • Biology tutor
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What do the coronary arteries do?

The coronary arteries supply the blood to the tissues of the heart, which is made up of cells called myocytes. In the body, the heart acts like a pump and contracts in order to force blood out into the rest ...
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Answered by Zoya K. • Biology tutor
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How do I answer a long answer question in detail without writing too much and wasting exam time?

Use key words and ensure you are specific in what you are saying. Try and avoid writing in long sentences, use bullet points if you can. Diagrams are also helpful for the examiner to understand your answer b...
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Describe the structure of DNA

Nucleotides make up DNA. Nucleotides themselves are made up of a phosphate, sugar and base. They bases are: Adenine (A), Thymine (T), Cytosine (C), Guanosine (G). A is bonded to T. C is bonded to G. The base...
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Answered by Miranda L. • Biology tutor
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