BRAIN TEASERS
Brain Teasers User Profile

Tran Nguyen Quoc Khang

rank
508
points
1
See full ranking list
short ranking list
506. Gordon Bennett 1
507. Simon Adanu Ogiji 1
508. Tran Nguyen Quoc Khang 1
509. Nguyễn Tuấn 1
510. Sofija Vrebac 1
last 3 solved tasks
Remove 7 letters from this sequence (USPAITRKIOTDEISOM) to reveal a familiar English word.

Edward A. Doisy

Born 13 Nov 1893; died 23 Oct 1986 at age 92.Edward Adelbert Doisy was an American biochemist who shared (with Henrik Dam) the 1943 Nobel Prize for Physiology or Medicine for his isolation and synthesis of vitamin K, a substance that encourages blood clotting (1939), used in medicine and surgery. With the embryologist Edgar Allen (1922-34), he developed assay techniques that facilitated research on sex hormones. Doisy and his associates isolated the sex hormones estrone (theelin, 1929; the first estrogen to be crystallized), estriol (theelol, 1930), and estradiol (dihydrotheelin, 1935). In 1936-39 he isolated two forms of the vitamin, (K1 from lucerne seed and K2 from fish meal, in a pure crystalline form), determined their chemical structures, and synthesized the vitamin.«

My girlfriend told me to take...

My girlfriend told me to take the spider out instead of killing it.
We went and had some drinks. Cool guy. Wants to be a web developer.
Jokes of the day - Daily updated jokes. New jokes every day.
Follow Brain Teasers on social networks
This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.