|Which 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 3
B) 2 and 3
C) Only 3
D) 1, 2 and 3
Correct Answer: B
Solution :[b] Stem cell therapy is the use of stem cells to treat or prevent a disease or condition. Bone marrow transplant is a crude form of stem cell therapy that has been used clinically for many years without controversy. No stem cell therapies other than bone marrow transplant are widely used. Research is underway to develop various sources for stem cells, and to apply stem cell treatments forneurode-generative diseases and conditions, diabetes, heart disease, and other conditions.
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