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describes a microorganism that causes disease that is highly infectious (refers only to viruses that reproduce through the lytic cycle)
the transfer of genetic material in the form of DNA fragments from one cell to another or from one organism to another
repeating subunits of two long chains; consists of three parts: a five-carbon sugar, a phosphate group, and a nitrogenous base
nitrogenous bases that have a double ring of carbon and nitrogen atoms, such as adenine and guanine
nitrogenous bases that have a single ring of carbon and nitrogen atoms, such as cytosine and thymine
Base Pairing Rules
the rules stating that cytosine pairs with guanine and adenine pairs with thymine in DNA, and that adenine pairs with uracil in RNA
Complementary Base Pairs
the nucleotide bases in one strand of DNA or RNA that are paired with those of another strand; adenine pairs with thymine or uracil and guanine pairs with cytosine
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