Is there more protein in or out of the cell?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

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.

Nucleic acids offer variability because they contain alternate forms of genes called .