Gwajin DNA na Likitanci na China/Samfurin Halittar Halittar Koyar da Likitanci Ilimin Halittar Halitta Mai Kera da Masana'anta Tsarin DNA na Helix Biyu

Gwajin DNA na Likitanci/Samfurin Halittu Koyar da Likitanci Ilimin Halitta Tsarin DNA na Helix Biyu

Takaitaccen Bayani:

Cikakken Bayani game da Samfurin

Alamun Samfura

Wannan samfurin DNA mai siffar helix mai siffar helix mai siffar helix mai siffar DNA mai tsawon 22*22*68.5cm tare da nauyin kilogiram 1. Yana ɗaukar haɗuwa mai launuka daban-daban don kowane ɓangaren sinadarai na DNA, tare da madaidaicin maƙallin tushe, wanda aka yi amfani da shi musamman don koyar da gwajin halittu.

Tsarin launi a sarari yana bambanta tushe, sukari da phosphate; siffar helix mai siffar biyu ta yau da kullun tana sake haifar da yanayin sararin samaniya na gaske; abu mai ƙarfi yana tsayayya da lalacewa akai-akai; babban girma a tsaye yana dacewa da kallon aji tare.

Malaman ilmin halittu cikin sauƙi suna iya fahimtar ilimin kwayoyin halitta; ɗalibai suna fahimtar haɗin tushe da tsarin sararin DNA cikin sauri; makarantu suna samun kayan koyarwa na gwaji masu ɗorewa; wuraren kimiyya suna samun nunin kimiyya mai ban sha'awa.

Zane-zanen littattafai masu faɗi da faɗi tare da gabatarwa mai girma uku; sun fi daidaito fiye da samfuran da aka haɗa da hannu tare da daidaitaccen ƙimar kimiyya; alamar launuka da yawa yana sa gane sassan ya fi sauri fiye da samfuran DNA masu launi ɗaya.

Bayanin Samfurin

Tsarin DNA na gwaji na likita/Samfurin Halittu Koyar da lafiya Ilimin halittu Tsarin DNA na helix mai siffar helix biyu

sunan samfurin		Tsarin tsarin kwayoyin halittar DNA
girman		222268.5cm
nauyi		1kg
amfani		Gwajin Halitta

Wannan samfurin yana nuna tsarin tsarin DNA helix mai lamba biyu, inda sarƙoƙi biyu masu layi ɗaya na polynucleocylic acid suka samar da helix mai hannun dama, tare da phosphoric acid a saman silinda, nau'ikan tushe biyu a tsakiyar silinda, da kuma jiragen tushe biyu a tsaye kusa da silinda.

Siffofi An tsara wannan samfurin bisa ga ma'aunin Ma'aikatar Ilimi, kuma ya yi daidai da ma'aunin J3212 da Ma'aikatar Ilimi ta fitar. Tsarin samfurin tsari ne na koyarwa na tsarin kwayoyin halittar DNA na nau'in B wanda aka ƙawata shi sau miliyan 100 (don amfani da makarantar sakandare) da kuma sau miliyan 200 (don amfani da jami'a). Watson da Crick ne suka gabatar da sanannen ka'idar tsarin helix mai siffar biyu na kwayar halittar DNA a shekarar 1953, kuma daga baya Wilkins ya tabbatar da kuma ya sake duba ta. Ya yi bayani mai gamsarwa game da halaye da yawa na halittu da na zahiri na kwayoyin halittar DNA.

Babban tushe Babban sigogi na wannan samfurin:1, helix mai ninki biyu yana da diamita na 20A2, firam 34A, tazara tsakanin ma'auratan tushe masu maƙwabtaka 3.4A;3, bambancin alkiblar tushe masu maƙwabtaka shine 36°;4, adadin nau'ikan tushe a kowace zagaye mai karkace nau'i 10;5, tsawon haɗin hydrogen 25-40A

6, girman faɗin ramin yana da kusan 20A, 14A.

Na baya: Tsarin Tsarin Ƙafar Ɗan Adam Mai Girman Rai tare da Tsokoki na Plantar Jijiyoyin Jijiyoyin Jijiyoyin Jijiyoyin Jijiyoyin Jijiyoyi don Koyarwa da Nazarin Likitanci

Na gaba: Na'urar Shirya Rauni ta Yatsa da Aka Yanka da Kayan Kwaikwayon Zubar Jini don Horarwa ta TCCC