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.
Answer:
Vacuole. A vacuole is a membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products. In plant cells, vacuoles help maintain water balance.
Explanation:
Centrioles is only found in animal cells but not in plant cells.
Answer:
I believe it is the "Nucleus."
Explanation:
Hope my answer has helped you!
Answer:
Net force=120N-90N=30N
30N to the right
