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.
More likely to be found in plant cells
Explanation:
Ammonium hydroxide mostly acts as a reactant. Ammonium hydroxide is a colorless solution and exists only in solution form. It has a strong and pungent odor. It reacts with sulfuric acid and also many other strong acids. This reaction is exothermic which releases huge amount of heat or energy.
Ammonia water when in contact with volatile compounds, forms fumes. Ammonium hydroxide dissolves copper and zinc. It produces ammonia and nitroxides when heated to decomposition.