With reference to ‘stem cells', frequently in the news which of the following statements is/are correct?
- 1.Stem cells can be derived from mammals only.
- 2.Stem cells can be used for screening new drugs.
- 3.Stem cells can be used for medical therapies.
Select the correct answer using the codes given below:
- A.1 and 2
- B.2 and 3 only
- C.3 only
- D.1, 2 and 3
▶ Answer & Explanation
Correct answer: B. 2 and 3 only
Stem cells are foundational to regenerative medicine and offer significant therapeutic potential for various diseases by differentiating into specialized cells. They are also invaluable tools in pharmacological research, enabling the testing and screening of new drug candidates for efficacy and toxicity before human trials. While mammalian stem cells are widely studied, stem cells are not exclusively found in mammals; they exist in other organisms as well, making the first statement incorrect.
Source: UPSC gs1 2012