What effect can mutations have on a virus? they allow it to make its own proteins. they it make more copies of its dna. they produce changes in its organelles. they create genetic variations.

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.