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15 Cards in this Set
- Front
- Back
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What are the 2 nucleic Acids?
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DNA-deoxyribonucleic acid
RNA-ribonucleic acid |
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What is a nucleotide made of?
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a phosphate group, pentose sugar and nitrogenous base
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What part of the nucleic acids are the same in both types?
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the phospate group
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What are the nitrogen bases of DNA?
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Adenine, Guanine, Cytosine, Thymine
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What are the Nitrogen bases of RNA?
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Adenine, Guanine, Cytosine, Uracil
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What are the 2 classifycation of bases/why, and which ones belong where?
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Purine(double ring)-Adenine, Guanine/Pyrimidine(sing ring)-Cytosine, Thymine, Uracil
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How do nucleotides bind?
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A chain called a polynucleotide
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What is the difference in chain structure between dna and rna?
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DNA links 2 chains side by side through hydrogen bonds
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What are the hydrogen bonds in DNA?
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Thymine and Adenine have a 2H bond, Ganine and Cytosine have a 3H bond.
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What are the names of the 2 strands of dna.
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3-to-5 and 5-to-3, they start and run opposite
3 5 to to 5 3 |
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In what form does DNA exist?
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Double Helix or helical
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What does Helicase do to DNA?
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Breaks the hydrogen bonds between the strands
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What does the single-strand binding protien do to DNA?
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uwind the helix
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What does DNA Polymerases do to the strands of dna?
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binds to the seperate strands to use as a template to create a whole dna in fragments
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What does the enzyme DNA ligase do?
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joins the fragments to form one complete strand
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