You stain a cell with a dye that reacts with an enzyme found in the lysosome. you would also expect to see this dye in:

The response is the basis for vaccination. primary secondary tertiary none of the above

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

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.