Tо а culture оf grоwing Nostoc, аs scientist аdds the following radioactive elements: nitrogen, carbon, phosphorus, and sulfur. The scientist then harvests and extracts the various macromolecules from the cells. In which macromolecules (eg., protein) will the scientist find each of the radioactive elements? Note 1: the question does not ask about structures (eg., cell walls). It asks about macromolecules eg., protein. Note 2: it may help if you list the major types/classes of macromolecule on your scratch paper, and then consider which of them contain(s) nitrogen, which contain(s) carbon, which contain(s) phosphorus, and which contain(s) sulfur. Note 3: one type/class of biological macromolecule has four (4) subtypes. One of these subtypes is used to make many hormones, including the sex hormones estrogen and testosterone.