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16 Cards in this Set

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Nucleic Acid
An organic molecule, DNA or RNA, that stores and carries important information for cell function
Phosphate Group
A chemical unit consisting of an atom of phosphate bound to four oxygen atoms
Cysotine
A nitrogen-containing base; a pyrimidine of RNA and DNA
Pyrimidine
An organic molecule that has a singl ring of carbon and nitrogen atoms
Deoxyribose
a sugar that is a constituent of nucleic acids
Adenine
a nitrogen-contaioning base that is a coponent of a nucleotide; a purine of DNA and RNA
Thymine
A nitrogen-containing base; a pyrimidine of DNA and RNA
Double Helix
Two helical-shaped DNA strands wrapped around each other
Nitrogen-Containing Base
A DNA nucleotide containing nitrogen, a sugar molecule, and a phosphate group
Guanine
A base; one of the molecular components of DNA and RNA. Always bonds with cytosine
Purine
A nitrogen-containing, single-ring, basic compound that occurs in nucleic acids. The purines in DNA and RNA are adenine and guanine.
Complimentary Base Pairing
Joining of bases; A w/ T, G w/ C
Nucleotide
A monomer of DNA and RNA, consisting of a nitrogen base, a sugar, and a phosphate group
Polynucleotide
A condensation polymer formed by the linking of nucleotides
Hydrogen Bonds
relatively weak bonds between hydrogen atoms, responsible for keeping nitrogen bases paired up
Antiparallel
Antiparallel refers two molecules run side-by-side in opposite directions