Structure of DNA

Question	Answer
What is DNA made up of?	Two strands of nucleotides, each are extremely long and joined together by hydrogen bonds between complementary bases
Which are the single-ring bases and which are the double-ring bases?	Single-ring = T and C Double-ring = A and G
What are the complementary base pairs and how many hydrogen bonds are they paired by?	A and T - two hydrogen bonds C andG - three hydrogen bonds
What do all four organic bases contain?	nitrogen
What is the DNA made up of?	Two strands therefore it is called a double helix
For each turn of the helix how many base pairs are there?	10 for each complete turn
What is in a nucleotide	-phosphate group -deoxyribose (pentose) sugar -organic bases (A,T,G and C)
How are the deoxyribose sugar, organic base and phosphate group joined?	Using a condensation reaction.
What is the name given to a single nucleotide?	mononucleotide

Resource summary

	Created by sammi_taylor01 almost 11 years ago