Set 6: Cross-Text Connections (Advanced)
Explanation
PASSAGE
Text 1 Stem cells have the potential to grow into any tissue in the body. They offer hope for curing diseases like Parkinson's and diabetes by replacing damaged cells. Text 2 The use of embryonic stem cells is ethically controversial because obtaining them involves destroying a human embryo. This has led researchers to focus on induced pluripotent stem cells (iPSCs), which are made from adult cells.
Based on the texts, why has research shifted towards iPSCs?
Detailed Answer Explanation
This question asks you to compare perspectives from two passages. Text 1: Potential/Cure. Text 2: Controversy (Destroy embryo) -> Shift to iPSCs. Reason: Bypass ethics. Understanding how the authors relate to each other's views is essential. Identify whether they agree, disagree, or address different aspects of the topic. Focus on their specific claims and conclusions. When comparing texts, first identify each author's thesis or main argument. Then determine how these positions interact: do they complement each other, contradict each other, or address different aspects of the same issue? The relationship between texts reveals deeper meaning.
Key Evidence:
• "ethically controversial"
• "led researchers to focus on ... iPSCs"
Why others are wrong: D (Not mentioned.), A (Not mentioned.), C (They work (Text 1).).
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