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Nucleic acid certain protein cell membranes certain carbohydrates

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.

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion