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25 Cards in this Set
- Front
- Back
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What three things make up a nucleotide |
Phosphate, deoxyribose, and a nitrogen base |
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Sugar found in dna |
Deoxyribose |
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What type of bond holds sugar and phosphate together |
Covalent bond |
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Adenine with |
Thymine |
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Cytosine with |
Guanine |
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What scientist came up with base pairing rules |
Erwin chargaff |
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What time of bond holds the complementary base pairs together |
Hydrogen |
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Single ringed nitrogenous based as a group are called |
Pyrimidines |
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Double ringed nitrogenous based as a group are called |
Purines |
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Two scientist credited for the discovery of the structure of dna |
Watson and crick |
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What scientist actually used x-rays to take images of dna |
Rosalind Franklin |
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DNA |
Deoxyribonucleic acid |
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The sides of the ladder are formed from alternating |
Sugar and phosphate groups |
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A chromosome is composed of |
DNA and proteins |
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Main enzyme involved in dna replication |
DNA polymerase |
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Process by which a cell copied or duplicates it’s dna |
Replication |
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Group of enzymes that breaks the hydrogen bonds a between complementary base pairs |
Helicases |
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Chargaffs rules |
A with t C with g |
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Describe dna molecule as a |
Double helix |
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How many hydrogen bonds form between adenine and thymine |
Two hydrogen bonds |
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How many hydrogen bonds form between guanine and cytosine |
Three hydrogen bonds |
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If dna stretches out from a single human cell it would be |
About 6 feet |
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It would carry information equivalent to |
1,200 books |
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Adds the new nucleotides to the existing chain |
DNA polymerase |
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Unzips the dna molecule forming a |
A replication fork |
