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DNA HL Bio Unit 5 Y1

TermDefinition
Nucleic Acids parts Phosphate group, pentose sugar (ribose or deoxyribose), and nitrogenous base
Elements in a nucleic acid CHONP
Monomer of Nucleic Acid nucleotide
Polymer of Nucleic Acid polynucleotide
Nucleic Acid Pupose To store, acess, and transport genetic information [also sometimes used for ATP] DNA, RNA
Phosphodiester Bond bond type within nucleic acids
Ribose a five carbon sugar (RNA)
Deoxyribose The same as ribose except it lacks an O on the 2’ carbon (Just and -H instead of an -OH) (DNA)
Adenine A nucleic base compound, a purine, bonds with T/U Apart of BOTH DNA and RNA Makes 2 H-Bonds
Thynine A nucleic base compound, a pyrimidine, bonds with A Apart of ONLY DNA Makes 2 H-Bonds
Cytosine A nucleic base compound, a pyrimidine, bonds with G Apart of BOTH DNA and RNA Makes 3 H-Bonds
Guanine A nucleic base compound, a purine, bonds with C Apart of BOTH DNA and RNA Makes 3 H-Bonds
Uracile A nucleic base compound, a pyrimidine, bonds with A Apart of ONLY RNA
Purines Two ring molecules Adeine, Guanine Pure As Gold
Pyrimidine Single ring molecules Thynine, Cytosine, Guanine in Pyrimids, U C Tombs
Anti-parallel Going in the exact opposite directions. DNA strands are anti-parallel, meaning that they are the same distance apart and will not intersect each other but are going in the exact opposite direction
Hydrogen - Bonds Bonds from hydrogen to other elements, strong
DNA Base Pairing Rule A pairs with T, C pairs with G Purine + purine = too far apart. Pyrimidine + Pyrimidine= too close together. Purine + Pyrimidine = perfect distance (goldilocks) Apples in the Tree / Apples Under the tree Car in Garage
5' End The 5’ end has the free phosphate group
3' End the 3’ end has the 3’ free carbon with the -OH group for the next nucleotide to attach to
Created by: apayne44
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