Why is an antibody molecule represented as `H_2 L_2` ?

Write structure of antibody molecule.

How many atoms are present in, H_2S molecule

How many molecules of O2 are present in 1L air containing 80% volume of O2 at STP?

If the slope of one of the lines represented by ax^2+2hxy+ by^2 =0 be the square of the other , then (a+b)/h+(8h^2)/(ab) is :

Why is Plaster of Paris written as CaSO_4. 1/2 H_2O ? How is its possible to have half a water molecule attached to CaSO_4 ?

How many variable segments are present in the basic structure of an antibody molecule?

What type of reactions are represented by following equation : Zn + 2HCl → ZnCl2 + H2

What type of reactions are represented by following equation : H2 + Cl2 → 2HCl

What type of reactions are represented by following equation : 2H2 + O2 → 2H2O