Define molecule.

Define a molecule .

Define a molecule on the basis of Avogadro's hypothesis.

Define biomolecules. Write two basic differences between biomolecules and molecules of non-living systems.

Define hybridization ? Explain the hybridization in Methane molecule.

Define bioactive molecules. List some of them. Give the source and significance of streptokinase and cyclosporin-A.

Define hyvridisation. Discuss the bonding in acetylene molecule on the basis of hybrdisation.

Define mole. Calculate the mass of one molecule of H_(2)O

Give the appropriate term defined by the statements given below : The formula that represents the simplest ratio of the various elements present in one molecule of the compound.

$ All the living and non living matter is formed of molecules. ! Molecules are of two types (i) Micro-molecules (ii) Macro-molecules.