The only positive ion found in an aqueous solution of sulfuric acid is the
(1) hydroxide ion (3) sulfite ion(2) hydronium ion (4) sulfate ion

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Can someone me with 1 to 4 plz. fast