Answer: A. testing a hypothesis
Explanation:
Because you do experiments to test the hypothesis or educated guess.
Bacteria can be genetically engineered for many purposes. That is really dangerous and can harm people by creating something new without knowing what it is.
Feel free to ask me questions and hope that helps:)
Brainliest??
If my memory recalls correctly. Its because of the nature of phospholipids and their double membrane layer. It basically "keeps" all the water from escaping, due to the double bilayer
The cell will use Endocytosis