Q1 the drug celebrex selectively inhibits ptgs2 even as, Ask an Expert

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Q1. The drug Celebrex selectively inhibits PTGS2 even as aspirin and other non-steroidal anti-inflammatory drugs (NSAID's) inhibit both PTGS1 and PTGS2 in the same way. Why do you think researchers wanted to find out a selective inhibitor to PTGS2?

Q2. If a beetroot cylinder was placed in a test tube of 0.5% saponin at 20oC anf left for 30 minutes, what would you expect to observe and Why?

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