Which mineral was used in the isolation of Helium

Which material is used for isolation of DNA in fingerprinting technique ?

Mineral Oil is used in-

Which of the following mineral ion is used in the activation of enzymes responsible for respiration and photosynthesis?

Mention the uses of helium .

Mineral used in body is

Lipids are define on the basis of _________ which is used in their isolation.

Lipids are define on the basis of _________ which is used in their isolation.

Give the uses of helium .