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20 Cards in this Set
- Front
- Back
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Two common acids in cells
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DNA and RNA
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Pentose sugar in RNA
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Ribose
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Pentose sugar in DNA
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Deoxyribose
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Nucleotide structure consists of...
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-Pentose Sugar
-Organic Base -Phosphate group |
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Pentose sugars
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Deoxyribose + Ribose
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Organic Bases
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- (A) Adenine
- (G) Guanine - (C) Cytocine - (T) Thymine - (U) Uracil |
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Organic Bases in DNA:
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- (C) Ctyocine
- (G) Guanine - (A) Adenine - (T) Thymine |
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Organic Bases in RNA
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- (C) Ctyocine
- (G) Guanine - (A) Adenine - (U) Uracil |
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Organic Bases Groups:
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-Parines (larger, double ring)
+Adenine +Guanine -Pyramindine (smaller, single ring) +Cytosine +Uracil +Thymine |
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What does ATP stand for and what does the molecule look like?
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Adenosine Triphosphate
Ribose joint to adenine Ribose joint to a chain of three phosphate groups (high energy bond) |
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What does NAD stand for?
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Nicotinamide Adenine Dinucleotide
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What does NAD do?
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acts as a hydrogen acceptor in reactions involving Dehydrogenase reactions.
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What is the link between nucleotides in Dna?
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Phospho-diester link between carbon 3 and carbon 5 of the next.
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Nucleotide Linking....?
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adjacent sugars are linked with the phosphate groups -> Forms a sugar phosphate "backbone"
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DNA consists of...
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... 2 polynucleotide chains!
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Poly nucleotide chains run in...
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..opposite directions (ANTIPARRALLEL)
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Poly nucleotide chains are held together by...
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hydrogen bonds between adjacent bases.
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What two organic bases produce 2 hydrogen bonds?
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Adenine and Thymine
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What two organic bases produce 3 hydrogen bonds?
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Guanine and Cytosine
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The shape of DNA chains?
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Double Helix
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