Enzymes joining two molecules by establishing covalent bonds are

The enzymes that join together two molecules by forming new covaient bonds are:

The enzymes that join together two molecules by forming new covaient bonds are:

Enzyme required for joining two molecules is

In case of bond formation in Acetylene molecule : How many covalent bonds are formed?

In which of the following molecules, is the covalent bond most polar ?

Give one example each of the following (i) A molecule containing a single covalent bond (ii). A molecule containing a double covalent bond (iii). A molecule containing a triple covalent bond. (iv). A compound containing an ionic bond.