break the cells open to collect the dna.
seperate the dna from proteins and cellular debris.
precipitate the dna with an alcohol.
clean the dna.
look at the concentration and quality of the dna.
Answer:
D) Nitrogen..............
Answer: Phosphorous
Explanation:
Phosphorus and Nitrogen are similar in nature as they have 5 electrons in the outermost shell. Nitrogen and phosphorous belong to the same family on the periodic table.
As phosphorus lies just below nitrogen the characteristics of both the elements will be similar.
They are found abundant on earth and are cycle by biogeochemical cycle.
Photosynthesis if it is a plant cell
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