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Introduction: All viruses, as well as SARS-CoV-2, the virus that causes COVID-19, lead modification over time. Most changes have very litt...
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What is DNA? DNA is a molecule composed of two polynucleotide chains that coil around each other forming a double helix structure carryin... -
Viruses are continually changing and mutating itself. Every time a virus replicates (makes copies of itself), it has the capacity to modify ...
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