Phoebus Levene was the one who proposed <span>the polynucleotide model stating that dna and rna were composed</span>
Answer:
It's the same there is no change.
Answer:
Roots help a plant grow by absorbing the water and nutrients from the soil
Explanation:
The type of microscope that <span>can produce three-dimensional images of a cell’s surface is the electron-scanning microscope. In this type, beam of high-energy electrons is focused to project the correct projection of the cells. The projection of the cells are made up of signals of the surface.</span>
