Structure of DNA

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  • Created by: Alice
  • Created on: 28-05-14 11:55
What are the three parts of the nucleotide structure?
Deoxyribose sugar, phosphate group, organic base (either purine or pyrimidine)
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How does a nucleotide form?
Condensation reactions to make a nucleotide, form dinucleotides, form polynucleotides
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What do we call the DNA structure?
Double helix structure
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What is the function of DNA?
Responsible for passing down genetic information
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What are the four adaptations of DNA?
Stable to pass down without change, helical structure for protection from chemicals, joined by hydrogen bonds only for easy separation during replication, large molecule for lots of genetic information
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What do the organic bases contain?
Nitrogen
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Which two bases are double ring bases?
Adenine and Guanine
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What are the two single ring bases?
Cytosine and Thymine
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Which pair of bases bonds together with 2 hydrogen bonds?
Adenine and Thymine
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Which pair of bases bonds together with 3 hydrogen bonds?
Cytosine and Guanine
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What can we say about A+T and C+G?
Adenine is complementary to Thymine, Cystosine is complementary to Guanine
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In terms of quantity, what can we say about A+T and C+T?
A+T always have the same quantity as each other, C+G always have the same quantity as each other
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Other cards in this set

Card 2

Front

How does a nucleotide form?

Back

Condensation reactions to make a nucleotide, form dinucleotides, form polynucleotides

Card 3

Front

What do we call the DNA structure?

Back

Preview of the front of card 3

Card 4

Front

What is the function of DNA?

Back

Preview of the front of card 4

Card 5

Front

What are the four adaptations of DNA?

Back

Preview of the front of card 5
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