biology 0.0 / 5 ? BiologyCellular processes and structureASAQA Created by: Poppy MeliaCreated on: 25-02-14 22:03 What are single ringed bases known as? Pyrimidines 1 of 10 What are double ring bases known as? Purines 2 of 10 Name the two single ringed bases. Cytosine and Thymine 3 of 10 Name the two double ringed bases. Adenine and Guanine 4 of 10 How many hydrogen bonds do Adenine and Thymine form? Two 5 of 10 How many hydrogen bonds so Cytosine and Guanine form? Three 6 of 10 What is a gene? A section of DNA on a chromosone coding for one or more polypeptides. 7 of 10 What is a polypeptide? A sequence of amino acids 8 of 10 How many amino acids regularly occur in proteins? 20 9 of 10 What is the minimum number of bases that code for each amino acids? 3 10 of 10
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