Structure of DNA 2.0 / 5 based on 1 rating ? BiologyDNA, genetics and evolutionASAQA Created by: Alia JamesCreated on: 16-03-13 17:04 What are the three components of a nucleotide? -A phosphate group -A pentose sugar (DNA or RNA) -Nitrogen base (adenine, thymine, cystonine, guanine) 1 of 10 What reaction forms a mononucleotide? Condensation reaction 2 of 10 What is the name of the bonds formed between bases Hydrogen bonds 3 of 10 How does 'stability' in a DNA molecule allow for i Can pass from generation to generation without change 4 of 10 How does 'hydrogen bonds between strands' in a DNA Allows them to seperate during DNA replication and protein synthesis 5 of 10 How does the DNA being a 'very large molecule' all Able to carry an immense amount of information 6 of 10 How does the DNA having 'base pairs on the inside This is so that genetic information is protected from being corrupted by outside chemical and physical forces 7 of 10 Define the term 'gene' Genes are sections of DNA that contain the coded information for making polypeptides (proteins) 8 of 10 What are Introns? non coding sections of a DNA 9 of 10 What are exons? coding sections of a DNA 10 of 10
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