9 weeks txt question please helph

Then, in 1833 botanist Robert Brown discovered the nucleus of plant cells. In 1855, Rudolf Virchow was recognized for his idea that became the third component of the cell theory at the time, Omnis cellula e cellula which is Latin for “cells only come from other cells.”

I found this on google

I would go with the second one

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