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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
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DNA stands for |
Deoxyribose nucleic acid, molecule that holds the genetic code in living organisms. |
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DNA carries what? |
Genetic information. Blueprint of our inheritance. |
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DNA structure |
Double helix |
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Chemical units that make up DNA |
Nucleotides |
Think 3 Sun, hut and bridge |
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What makes up a nucleotide ? |
Deoxyribose sugar, phosphate and a base |
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What's the base pairing rule? |
Guanine pairs with cytosine, adenine pairs with thymine |
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Bonds that holds the basses together |
Hydrogen bonds |
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DNA strands run in opposite direction what is this called? |
Antiparallel |
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DNA is tightly coiled and packaged with associated proteins. Where is it stored? |
Chromosomes |
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DNA replicates before or after cell division |
Before |
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What is DNA replication |
DNA molecules directes the synthesis of identical copies of themselves. |
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How is a template strand formed? |
DNA unwinds and unzip to form 2 template strands. |
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What does DNA polymerase require to start replication |
Primers |
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What is a primer? |
Short complementary sequences of nucleotide that allows polymerase to bind to the 3' end of a DNA stand. |
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Lead strand runs in what direction ? |
3' to 5' continuously |
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Lagging strand |
Where DNA strand runs from 5'-3' and nucletides are joined in fragments |
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Whats Enzyme ligase's job? |
To join together fragmented nucleotides on the 5' to 3' end lagging strand. |
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