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3 Cards in this Set
- Front
- Back
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Structure of DNA |
●double stranded polynucleotide ●each nucleotide comprises if a phosphate,deoxyribose sugar and a nitrogenous Base ●bases from 1 strand pair complementary to the other strand ●DNA molecules are millions of pairs long |
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Where is DNA found? In bacterial cells |
●Prokaryotic (bacterial) cells have a single molecule of DNA formed in a circle ●some cells also have smaller loops called plasmids ● DNA Is naked and not associated with any protein |
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Where is DNA found in eukaryotic cells? |
●DNA in the nuclei of eukaryotic cells are very long & linear molecules which have a histone protein attached ••together a DNA molecule and a histone protein form a chromosome ●DNA in the chloroplast & mitochondria in eukaryotic cells are short,circular molecules and are not associated with any proteins |
