1.

Which of the following statement(s) is/are correct with reference to 'stem cells' which are often in the news? 1. Stem cells can only be obtained from mammals. 2. Can stem cells be used to test new drugs? 3. Stem cells can be used for medical therapy.

A. 1 and 2
B. 2 and 3
C. only 3
D. all these
Answer» C. only 3


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