Question

Which of the following is true of stem cells? See Concept 20.3 (Page 429)

They can reproduce indefinitely in culture.

They can be found in both embryonic and adult tissues.

Their use is highly controversial.

They can differentiate to produce many different kinds of specialized cells.

All of the above.

Answer 1

The correct answer is- All of the above

Step-by-step explanation:

Stem cells are the undifferentiated cells that can differentiate into different and specific types of cells. They can be found in embryo and in adults. The embryonic stem cell can form all the cell of the body as they are pluripotent but adult stem cell mainly differentiates into a particular type of cell.

Due to having inherent properties stem cells can reproduce indefinitely in a culture medium. There use is highly controversial because they can be used to develop human embryo unethically therefore most controversy occurs on the use of embryonic cells. So the correct answer is- all of the above.

Answer 2

The correct answer is option - all of the above.

Explanation:

Stem cells are the cells that have the ability to differentiate and develop into all kinds of cells in the body of an individual organism. These cells helpful in several functions like developing cells of various types and repair them. Stem cells can be embryonic and adult stem cells.

These cells can be grow culture with proper media and result in reproduce indefinitely. Use of stem cells are consider as unethical by various researchers, communities and scientists

Thus, the correct answer is option - all of the above.