DISCUSSION: What’s the purpose of the first two sentences? They describe the problem and research’s background: Belcher and Hu are researching peptides because of the problem posed in these two sentences (limits on further shrinking computer chip sizes).
___________
- We’re not told why other researchers didn’t do similar research.
- CORRECT. This matches our prephrase.
- The scientific community’s skepticism isn’t mentioned in the passage.
- Belcher and Hu aren’t refuting any “commonly held” viewpoint.
- It’s not a hypothesis, it’s a problem their research is attempting to solve.
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