Question

How can stem cells replace faulty cells in the body?

Multiple Choice

• Stem cells can be coaxed to differentiate into the needed specific cell type.

• Stem cells can mitotically divide, providing more stem cells to directly replace the faulty cells and their functions.

• Stem cells can meiotically divide, providing more stem cells to directly replace the faulty cells and their functions.

• Faulty cells can be coaxed to differentiate into stem cells and directly replace the faulty cells and their functions.

• Stem cells can directly serve as nerve or blood cells.

Answer 1

Stem cells are the cells which can be converted to any cell type and and can function as any other cell.

First statement is correct as stem cells need differentiating factors to differentiate in any cell type.

Second statement is wrong as they will mitotically form stem cells itself.

They cannot undergo meiosis as it takes place only in germ cell.

Faulty cells cannot form new cells.

They cannot directly serve as nerve or blood cells.

So, correct answer is a.