Their constituent particles are different like Glucose of Starch and Fatty acids & Glycerol of Fats..,...
The nucleus is the control center of the cell. A cell's nucleus is able to control the other activities in a cell by expressing certain segments of its DNA, which creates proteins that perform specific activities. ... The cell's DNA is packaged within the nucleus in a structural form called chromatin.
Answer:
The correct answer is A.
Explanation:
A mutagen changes the level of mutations that occur in the DNA either by affecting it physically or chemically. This helps researchers create different organisms with altered phenotypes according to what the research needs so that the genes can be investigated further under a controlled environment.
So the answer is A.
I hope this helps.