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Chapter 3 Essays. ESSAY #1. Essay #2. Was the only person ever to win two unshared Nobel prizes: for chemistry in 1954 and for peace in 1962. Linus Pauling. Found how hemoglobin carries oxygen high doses of vitamin C are effective against colds and other illnesses. Ban on nuclear testing.
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Essay #2 Was the only person ever to win two unshared Nobel prizes:for chemistry in 1954 and for peace in 1962
Linus Pauling • Found how hemoglobin carries oxygen • high doses of vitamin C are effective against colds and other illnesses. • Ban on nuclear testing
Aspartame • 150 times more sweet than glucose
10 pointers • Structural-hair, skin, nailsStorage-eggs, nuts Signal-hormonesContractile-muscle fibers Defensive-antibodiesEnzymes-speed up reactions Transport-hemoglobin carrying oxygen
10 pointer • Anabolic steroids - artificial variant of the male hormone, testosterone • Used to build muscle and bone • Negatives: mood swings (“roid rage”) Depression acne high blood pressure women-beards reduced sex drive Infertility enlarged breasts liver cancer shrunken testicles
Anabolic Steroids Abusers • Barry Bonds • Marion Jones • Mark McGuire • Jason Giambi • Mike Tyson
How an orb spider makes its web • Spokes • Dry • Inelastic proteins
“Spiraling strand”-captures insects • Wet • Sticky • Highly elastic (stretch up to 4X’s)
Uses for Synthetic Web wear-resistant shoes and clothes -stronger ropes, nets, seatbelts, and parachutes -rust-free panels and bumpers for automobiles -improved sutures and bandages, artificial tendons and ligaments, and supports for weakened blood vessels. -soldiers and police long for bulletproof vests Tether ropes for astronauts