DNA Structure Quizz

Test yourself on the structure of DNA without DNA replication. Includes key words that you MUST know. 

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What is DNA?
The molecule which stores the gentic information that is present in the chromosomes within the nuclei of cells.
1 of 15
Where can DNA be located within a cell
Present in the chromosomes within the nuclei of cells
2 of 15
What is a Nucleotide?
Many repeating units of DNA
3 of 15
What does element does a Phosphate group have in it as part of a Nucleotide?
P
4 of 15
According to Complementary base-pairing rules what can a Purine base pair with?
Pyrimidine
5 of 15
Which Organic Nitrogenous Base will pair with Guanine to form 3 Hydrogen Bonds?
Cytosine
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Which Organic Nitrogenous base will pair with Thymine to form 2 Hydorgen Bonds?
Adenine
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In comparison to Purine bases Pyridimines are what size larger or smaller?
Smaller
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What is the name of the reaction which joins Nucleotides together in order to form a Polynuclei chain otherwise known as DNA?
Condensation
9 of 15
What is the name of the bond formed between the Phopshate group and the Dexoyribose?
Phosphodiester
10 of 15
What is the size of 1 Helical turn?
3.4 nm
11 of 15
What structure does the DNA molecule twist to form?
Double helix
12 of 15
What is the sugar-phosphate 'backbone' form as part of the structure formed to question 11?
Uprights fo a Ladder
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What is the name of the rules that the Organic Nitrogenous Bases base according to?
Complementing Base-Pairings
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What is the proper name of the 5-carbon sugar?
Deoxyribose
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Other cards in this set

Card 2

Front

Where can DNA be located within a cell

Back

Present in the chromosomes within the nuclei of cells

Card 3

Front

What is a Nucleotide?

Back

Preview of the front of card 3

Card 4

Front

What does element does a Phosphate group have in it as part of a Nucleotide?

Back

Preview of the front of card 4

Card 5

Front

According to Complementary base-pairing rules what can a Purine base pair with?

Back

Preview of the front of card 5
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