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Stem Cell Research

A stem cell could be the cure to many diseases once thought incurable. These microscopic cells have the potential to form almost any dead or damaged cell in the body. The controversy begins when the stem cells are gathered. In most cases, a human embryo must be killed to harvest these cells. Some argue that these embryos are not living human beings, while others say it is murder. Even though these cells could cure diseases, it is still wrong to kill the embryos.

A stem cell develops when a sperm fertilizes an egg and forms an embryo. This embryo begins to divide and forms a sphere called a blastocyst. The cells start to become different from their neighbors. This process, called differentiation, allows the embryo’s cells to become the different organs of the embryo such as liver, skin and nerve cells. Scientists hope to be able to control this process to form a needed tissue.

There are three different stages of a stem cell. When one is less than four days old, it is called totipotent. This means it ha

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Some common words found in the essay are:
Cell Research, stem cells, stem cell, stem cell research, cell research, cure diseases, potential form, sperm eggs, cells cure diseases, scientists hope able, adult stem cells, unwanted embryos, hope able, cells scientists hope, scientists hope, living human,
Approximate Word count = 695
Approximate Pages = 3 (250 words per page double spaced)

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