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13 Cards in this Set

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What does DNA stand for ?
Deoxyribonucleic Acid
What does RNA stand for ?
Ribonucleic Acid
what are nucleotides?
Polymers of repeating units in both DNA and RNA
What are the 3 parts all nucleotides have?
1. Phosphate
2. Pentose (5 carbon) sugar
3. A nitrogen base (A,T,C,G)
What are the differences between DNA and RNA?
1. Sugar- deoxyribose is missing an Oxygen in the spot where Ribose contains a hydroxyl group.
2. Base- DNA contains all nitrogen bases except Uracil, RNA contains all nitrogen bases except Thymine
3. RNA is single stranded, DNA is double stranded and double helix
Ribonucleotides-
-nitrogen base adenine, guanin, cytosine, and uracil
- connected to ribose with 1-3 phosphates on 5th carbon
Deoxyribonucleotides-
-nitrogen base adenine, guanine, cytosine, and thymine.
- connected to deoxyribose, no OH on 2nd carbon with 1-3 phosphates
ATP-
energy currency of cells
What does ATP stand for?
Adenosine Triphosphate
Sugar Phosphate-
backbone of DNA and RNA
What is the Double Helix of DNA held together by?
Hydrogen Bonds
Adenine usually pair with.....
Thymine
Cytosine usually pairs with....
Guanine