<span>All cells have the same DNA. They are different because different genes have been locked up and only some of them are expressed. The process began in the embryonic stage, when stem cells are turned into different types of cells by turning off some of the genes. Scientists have been looking for ways to reverse the process, meaning turning specialized cells back into stem cells. Some success has been reported using different methods. The latest one uses a weak acid to stress the cells.</span>
Answer:
I think an opening statement introduces the jurors to the parties' competing theories of the case. Opening statements generally are fairly short, and focused on the key facts you will present.
Explanation:
Arouse the interest of the jurors in your case and general theory so that they want to hear your evidence.
Explanation:
the heart and blood vessels make up the circulatory system
