Packet 3: Bonus 16
In patients with gout, excess uric acid precipitates into needle-shaped forms of these objects before being deposited as tophi (“TOW-fee”) in the joints. For 10 points each:
[10e] Name these objects that possess long-range order and consist of a repeating lattice unit.
ANSWER: crystals
[10m] Uric acid is the final product of the salvage pathway of these molecules. Adenine and guanine are examples of these heterocyclic compounds that make up the nitrogenous bases along with pyrimidines.
ANSWER: purines
[10h] A common first-line treatment for an acute gout attack is indometacin, which belongs to this class of drugs. A common chemistry lab experiment involves synthesizing a drug in this class from salicylic acid.
ANSWER: NSAIDs (“N-seds”) [or non-steroidal anti-inflammatory drugs; prompt on anti-inflammatory drugs or anti-inflammatories; prompt on analgesics; prompt on antipyretics; prompt on aspirin or acetylsalicylic acid or ASA by asking “what class of drugs is that in?”]
<Washington A, Chemistry> | Packet C
| Editions | Heard | PPB | Easy % | Medium % | Hard % |
|---|---|---|---|---|---|
| 2 | 108 | 14.81 | 85% | 39% | 24% |
Conversion
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total | Parts |
|---|---|---|---|---|---|---|
| Carleton A | McGill B | 10 | 10 | 10 | 30 | EMH |
| McGill C | Ottawa B | 10 | 0 | 0 | 10 | E |
| McGill E | McGill A | 10 | 0 | 0 | 10 | E |
| Ottawa A | Carleton B | 0 | 0 | 0 | 0 |
Summary
| Tournament | Edition | Exact Match? | Heard | PPB | Easy % | Medium % | Hard % |
|---|---|---|---|---|---|---|---|
| UK (North) | UK | Y | 5 | 10.00 | 100% | 0% | 0% |
| UK (South) | UK | Y | 8 | 13.75 | 88% | 38% | 13% |
| Northern California | US | Y | 4 | 17.50 | 100% | 75% | 0% |
| Eastern Canada (1) | US | Y | 4 | 12.50 | 75% | 25% | 25% |
| Eastern Canada (2) | US | Y | 9 | 15.56 | 67% | 56% | 33% |
| Florida | US | Y | 4 | 12.50 | 100% | 0% | 25% |
| Great Lakes | US | Y | 10 | 22.00 | 90% | 70% | 60% |
| Lower Mid-Atlantic | US | Y | 9 | 14.44 | 89% | 33% | 22% |
| Upper Mid-Atlantic | US | Y | 9 | 11.11 | 56% | 44% | 11% |
| Midwest | US | Y | 8 | 21.25 | 100% | 63% | 50% |
| North | US | Y | 4 | 12.50 | 75% | 25% | 25% |
| Northeast | US | Y | 11 | 14.55 | 82% | 36% | 27% |
| South Central | US | Y | 6 | 15.00 | 83% | 33% | 33% |
| Southeast | US | Y | 12 | 12.50 | 100% | 17% | 8% |
| Upstate NY | US | Y | 5 | 12.00 | 80% | 40% | 0% |