Mention the use of colloids?

Mention the uses of cloning vector in biotechnology.

Mention the use of Lactobacillus.

Mention the uses of dimensional equations.

Mention one use of oil of wintergreen.

Mention the use of gel electrophoresis in biotechnology experiments.

Which property of colloids is not dependent on the change on colloidal particles?

All colloids :

Mention any three uses of optical fibres.

Mention one use of each of carbolic acid and oil of wintergreen.

(i) What is a protoplast ? (ii) Name the two enzymes used in producing protoplasts. (iii) Mention the usefulness of somatic hybridisation.