Plz give this answer ​

I only know a few

1. aluminum

5.copper

4.zinc

2.sulphur ( specifically vulcanization of sulphur )

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.