Lub 3-dimensional ob helix qauv ntawm DNA, raug elucidated los ntawm James Watson thiab Francis Crick. Complementary bases tau tuav ua ke ua ib khub los ntawm hydrogen bonds.
Rosalind Franklin nrhiav tau dab tsi?
Rosalind Franklin tau ua ib qho tseem ceeb rau kev tshawb pom ntawm tus qauv ob npaug ntawm DNA, tab sis qee tus yuav hais tias nws tau txais cov khoom nyoos. Tus kws sau keeb kwm Brenda Maddox tau hu nws tias "Tus Poj Niam Tsaus Ntuj ntawm DNA," raws li kev thuam ib zaug rau Franklin los ntawm ib tus ntawm nws cov neeg ua haujlwm.
Leej twg nrhiav tau tus qauv ntawm DNA xaiv cov lus teb?
Lub Ob Hlis 28, 1953, Cambridge University cov kws tshawb fawb James D. Watson thiab Francis H. C. Crick tshaj tawm tias lawv tau txiav txim siab cov qauv ob-helix ntawm DNA, cov molecule uas muaj tib neeg cov noob.
Leej twg pom DNA qauv Rosalind Franklin?
Franklin paub zoo tshaj plaws rau nws txoj haujlwm ntawm X-ray diffraction dluab ntawm DNA thaum nyob hauv King's College London, tshwj xeeb yog Daim Duab 51, coj los ntawm nws tub ntxhais kawm Raymond Gosling, uas coj mus rau qhov kev tshawb pom ntawm DNA ob lub helix uas Francis Crick, James Watson, thiab Maurice Wilkins tau koom nrog Nobel nqi zog hauv Physiology lossis …
DNA sawv cev rau dab tsi ?
Teb: Deoxyribonucleic acid - ib qho loj molecule ntawm nucleic acid pom nyob rau hauv lub nuclei, feem ntau nyob rau hauv chromosomes, ntawm cov hlwb nyob. DNA tswj cov haujlwm xws li kev tsim cov protein molecules hauv lub cell, thiab nqa cov qauv rau kev yug me nyuam ntawm txhua tus yam ntxwv ntawm nws cov hom tshwj xeeb.
