3' arm directionality 5′ carbon atom Directionality (molecular biology) - Wikipedia, the free ... [en] reading direction 5' arm English 英語版 English reading direction reading direction 3′ direction reading direction English 3′ direction 3' end English reading direction reading direction 3¡ä end and 5¡ä end English 3' end English English Directionality (molecular biology) – Wikipedia, the free … directionality 5′ ends Directionality (molecular biology) – Wikipedia, the free … English reading direction 3' end direction Directionality (molecular biology) using airplane vector – 5′-end 3' end 3' end orientation-specific 3' arm 3′ carbon atom 3' end 3′ end https://en.wikipedia.org/wiki/Direction ... biology%29 English