Which type of macromolecules helps a cell brake down food? Lipids proteins carbonhydrates or nucliec acids

Ascientist is examinin the cell is disrupted when she damages one specific type of macromolecule g the function of macromolecules in a cell she notices that movenent of large molecules into and out of

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?

2points what do bacteria have in common with the cells of other living organisms?