Well its easy the Bt gene is inserted into one plant cell by using a bacterial plasma.
Answer:
He extracted and observed DNA from white blood cells.
Explanation:
Friedrich Miescher, who is a Swedish Botanist, is the scientist who isolated for the first time. In 1869, Miescher isolated a chemical he called NUCLEIN, which is called Nucleic acid now.
He discovered this so called "NUCLEIN" substance from the nuclei of white blood cells. Nucleic acids are the DNA and RNA we know today, hence, Miescher's discovery was significant to the genetic code as he even agitated for the inclusion of his discovery into inheritance.
The levels of organization from cell to biosphere are: cells, tissues,
orgasms and orgasms systems, more orgasms, populations, communities,
ecosystems, ecotones, biomes and biosphere. Hope it helped : )
