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21 Cards in this Set
- Front
- Back
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What are nucleic acids?
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Large macromolecular compounds
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What are the 2 functions of nucleic acids?
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comprise genes and control the metabolism of the cell
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What are the 2 nucleic acids?
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DNA & RNA
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Both DNA and RNA are...?
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polymers of nucleotides
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What is the monomer of DNA and RNA?
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Nucleotides
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When nucleotides are joined together with ______, they form _____?
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dehydration synthesis,
nucleic acid |
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What 3 types of molecules compose a nucleotide?
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phosphoric acid, pentose sugar (DNA or RNA), and a nitrogen base.
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What are the 5 nitrogen bases?
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Thymine, Adenine, Guanine, Cytosine, and Uracil..
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What sugar is in DNA?
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Deoxyribose
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What sugar is in RNA?
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Ribose
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What 4 bases are in DNA?
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Adenine, Thymine, Cytosine and Guanine
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What 4 bases are in RNA?
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Adenine, Guanine, Cytosine and Uracil
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What is the shape of DNA?
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Double helix (alpha)
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What is the shape of RNA?
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straight
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What object is DNA related to? Why?
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A ladder. The "rails" are like the backbone (phosphate-sugar) and the "rungs" are the bases which are complementery paired.
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What does Thymine pair with, and how many hydrogen bonds?
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Adenine, 2bonds.
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What does Guanine pair with and how many hydrogen bonds?
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Cytosine and 3bonds.
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What holds the strands of DNA together?
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Hydrogen bonds between the bases.
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What is the special nucleotide?
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Adenosine Triphospate (ATP)
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What are the compontents that nake up ATP?
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Adenine, Ribose and 3phosphate joined together with 2high energy bonds.
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What does ATP break down into?
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ADP + P, realeasing energy thats used for metabolic work in a cell.
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