Packet 3: Bonus 15

Answer the following about Vitamin K and its activity in humans. For 10 points each:
[10m] Vitamin K is named for the Danish word for this physiological process. This positive feedback loop involves namesake “factors” like fibrinogen and pro•thrombin.
ANSWER: blood coagulation [or blood clotting; accept word forms like forming a blood clot] (The Danish word is “koagulation.”)
[10h] Vitamin K is antagonized by this medication, which was discovered as the active ingredient in sweet clover. In the 1940s, this drug was used as rat poison before being marketed as an anticoagulant.
ANSWER: warfarin [accept Coumadin or Jantoven]
[10e] This disorder is caused by a mutation in Factor IX (“nine”), a clotting factor which Vitamin K modifies. Because it prevents blood clotting, warfarin mimics this X-linked “royal disease.”
ANSWER: hemophilia [or haemophilia]
<Biology — Kenneth Shafer> | SHOW-ME Four Packet 3

HeardPPBE %M %H %
2511.6072%28%16%

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Conversion


Summary

TournamentEditionMatchHeardPPBE %M %H %
Rube Goldberg XIX11/20/20251510.0073%13%13%
SHOW-ME Four Nationwide HS11/20/2025518.0060%80%40%
SPOOKY IX11/20/2025510.0080%20%0%