DNA Structure Quizz - Flashcards in A Level and IB Human Biology

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Created by: Laura Gilmore
Created on: 08-04-13 17:43


											7


			3			2
					5



														8		6
	1


			4




						9

Across

1. What is the sugar-phosphate 'backbone' form as part of the structure formed to question 11? (8, 2, 1, 6)
4. According to Complementary base-pairing rules what can a Purine base pair with? (10)
5. What is the name of the reaction which joins Nucleotides together in order to form a Polynuclei chain otherwise known as DNA? (12)
9. What is the name of the bond formed between the Phopshate group and the Dexoyribose? (14)

Down

2. What structure does the DNA molecule twist to form? (6, 5)
3. In comparison to Purine bases Pyridimines are what size larger or smaller? (7)
6. What is the proper name of the 5-carbon sugar? (11)
7. Which Organic Nitrogenous Base will pair with Guanine to form 3 Hydrogen Bonds? (8)
8. Which Organic Nitrogenous base will pair with Thymine to form 2 Hydorgen Bonds? (7)

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