rnk i dnk

PPTX 21 sahifa 4,7 MB Bepul yuklash

21 sahifa

FaylHub.uz

Telegram orqali yuklab olish

Hajm 4,7 MB

Fayl turi PPTX

Sahifalar 21

Yangilangan Dek 2025

Sahifa ko'rinishi (5 sahifa)

Pastga aylantiring 👇

1 / 21

prezentatsiya powerpoint https://infourok.ru/prezentaciya-k-uroku-biologii-klass-stroenie-i-funkcii-rnk-617010.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html malie rnk reguliruyut rabotu genov v yadre i sintez belka v tsitoplazme analogichna funktsii dnk-svyazivayushix belkov rnk sochetayut svoystva: dnk – printsip komplementarnosti, pozvolyayushiy matrichnoe kopirovanie molekuli. belkov – trexmernuyu strukturu, pozvolyayushuyu vipolnyat samie raznie funktsii (kataliz, regulyatsiyu, transport) https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://www.yaklass.ru/p/biologia/obschie-biologicheskie-zakonomernosti/biokhimicheskie-protcessy-v-kletke-16037/khranenie-i-peredacha-geneticheskoi-informatcii-dnk-i-rnk-geneticheskii-k_-17333/re-cd40912e-8f50-4b10-807d-666b85f88ff1 replikatsiya dnk http://reproacheddarcv.blogspot.com/2013/02/blog-post_7331.html https://www.google.ru/search?newwindow=1&biw=1920&bih=938&tbm=isch&sa=1&ei=ctrsw8dqdoa4sqgc6opgdq&q=%d1%82%d1%80%d0%b0%d0%bd%d1%81%d0%bb%d1%8f%d1%86%d0%b8%d1%8f+%d0%b4%d0%bd%d0%ba&oq=%d0%a2%d1%80%d0%b0%d0%bd%d1%81%d0%bb%d1%8f%d1%86%d0%b8%d1%8f&gs_l=img.1.0.0i67k1j0l9.243652.248093.0.251744.12.11.0.1.1.0.88.688.10.10.0....0...1c.1.64.img..1.11.696.0..0i10i1k1j35i39k1.0.eg8x_i6zh48#imgrc=q4q4yqeipgdfym: transkriptsiya https://infourok.ru/konspekt-k-uroku-po-biologii-na-temu-biosintez-belka-1559021.html translyatsiya translyatsiya – protsess sinteza polipeptidnoy tsepi, osushestvlyaemiy na ribosome. protsess translyatsii proxodit v tri etapa: 1) initsiatsiya – sintezirovannaya v protsesse transkriptsii irnk vixodit iz yadra i napravlyaetsya v tsitoplazmu k mestu sinteza belka – k ribosome. na ee 5i kontse imeetsya initsiiruyushiy kodon (aug), kotoriy obespechivaet soedinenie irnk i dvux sub'edinits ribosomi, t. e. obrazuetsya funktsionalniy tsentr ribosomi (ftsr

2 / 21

). prejde chem ribosoma nachnet sintez polipeptidnoy tsepi, k ney doljna prisoedinitsya osobaya molekula trnk s opredelennoy aminokislotoy ( amk) – initsiatornaya trnk. s nee i nachinaetsya sintez belka. po printsipu komplementarnosti initsiatornaya trnk svoim antikodonom soedinyaetsya s pervim kodonom na irnk i vxodit v ribosomu. etot kodon na irnk nazivaetsya start-kodonom. obrazuetsya kompleks: ribosoma – irnk - initsiatornaya trnk - aminokislota. 2) elongatsiya – protsess rosta polipeptidnoy tsepi. pervaya trnk s aminokislotoy peredvigaetsya iz aktseptornogo tsentra v donorniy tsentr, a vtoraya trnk s amk prisoedinaetsya k irnk v aktseptornom tsentre. aminokisloti sblijayutsya drug s drugom, mejdu nimi voznikaet peptidnaya svyaz, i obrazuetsya dipeptid. pri etom pervaya trnk osvobojdaetsya i, pokidaya ribosomu, tyanet za soboy irnk, kotoraya prodvigaetsya rovno na odin triplet. vtoraya trnk s dipeptidom peremeshaetsya v donorniy tsentr, a v ribosomu vxodit tretya trnk s amk. ves protsess povtoryaetsya vnov i vnov: irnk, posledovatelno prodvigayas cherez ribosomu, kajdiy …

3 / 21

sintez_belka_transkripciya_i_translyaciya_dnk_i_rnk.html https://cf.ppt-online.org/files2/slide/0/0yaj6xv8tcndegwzpwukbhirksvfj9mpycerix/slide-1.jpg nazvanie strukturi funktsii strukturnie geni dayut informatsiyu o posledovatelnosti amk v polipeptidax i nukleotidov v razlichnix vidax rnk funktsionalnie geni reguliruyut rabotu strukturnix genov a) geni-operatori pozvolyayut ili ne pozvolyayut schitivat informatsiyu so strukturnix genov b) geni-regulyatori dayut informatsiyu o sinteze belka-repressora, sposobnogo blokirovat gen-operator (schitivanie informatsii s operona ne idet) v) promotor mesto pervichnogo prikrepleniya fermenta rnk-polimerazi – fermenta, kataliziruyushego reaktsii dnk-zavisimogo sinteza irnk g) initsiator posledovatelnost nukleotidov dnk, s kotoroy nachinaetsya transkriptsiya (sintez irnk) d) terminator opredelennaya posledovatelnost nukleotidov, otsoedinyayushaya rnk-polimerazu ot dnk (prekrashayushaya schitivanie informatsii) operon—edinitsa schitivaniya informatsii u prokariot, eto gruppa strukturnix genov, upravlyaemaya odnim genom-operatorom. v sostav operona vxodyat strukturnie geni i funktsionalnie – promotor, initsiator, operator, terminator. na rasstoyanii ot operona raspolagaetsya gen-regulyator. https://megaobuchalka.ru/5/46443.html sintez belka u eukariot https://meduniver.com/medical/physiology/etapi_sinteza_belka.html http://yamedik.org/?p=2&c=biologiya/bio_ru_mar u eukariot ne ustanovleno operonnoy organizatsii genov, tak kak geni, opredelyayushie sintez fermentov odnoy tsepi bioximicheskix reaktsiy, mogut bit rasseyani v genome …

4 / 21

rnix belkov, i ix deystvie mojet xarakterizovatsya pleyotropnim effektom. v regulyatsii ekspressii eukarioticheskix genov vajnuyu rol igrayut geni - enxanseri (usilivayut transkriptsiyu) i saylenseri (tormozyat transkriptsiyu). v regulyatsii transkriptsii uchastvuyut gormoni, a gennoy aktivnosti - gistoni xromosom. http://yamedik.org/?p=2&c=biologiya/bio_ru_mar image1.png image2.png image3.png image4.png image5.png image6.png image7.png image8.png image9.png image10.png image11.png image12.png image13.png image14.png image15.png image16.png image17.png image18.png image19.png /docprops/thumbnail.jpeg

5 / 21

Ko'proq o'qimoqchimisiz?

Barcha 21 sahifani Telegram orqali bepul yuklab oling.

To'liq faylni yuklab olish

"rnk i dnk" haqida

prezentatsiya powerpoint https://infourok.ru/prezentaciya-k-uroku-biologii-klass-stroenie-i-funkcii-rnk-617010.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://bigslide.ru/biologiya/36323-dnk-i-rnk.html malie rnk reguliruyut rabotu genov v yadre i sintez belka v tsitoplazme analogichna funktsii dnk-svyazivayushix belkov rnk sochetayut svoystva: dnk – printsip komplementarnosti, pozvolyayushiy matrichnoe kopirovanie molekuli. belkov – trexmernuyu strukturu, pozvolyayushuyu vipolnyat samie raznie funktsii (kataliz, regulyatsiyu, transport) https://bigslide.ru/biologiya/36323-dnk-i-rnk.html https://www.yaklass.ru/p/biologia/obschie-biologicheskie-zakonomernosti/biokhimicheskie-...

Bu fayl PPTX formatida 21 sahifadan iborat (4,7 MB). "rnk i dnk"ni yuklab olish uchun chap tomondagi Telegram tugmasini bosing.

Teglar: rnk i dnk PPTX 21 sahifa Bepul yuklash Telegram