Write the difference between cryptogams and phanerogums

The main difference between cryptogams and phanerogams is that Cryptogams consist of seedless plants whereas phanerogams consist of seed-bearing plants. Cryptogams comprise plants like algae, mosses, and ferns. Cryptogams are non-flowering plants, which mainly reproduce by the production of spores.

the answer to this question is a

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme