Video: Vim li cas adenine ua khub nrog thymine thiab tsis cytosine?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Raws li pom hauv daim duab, ob daim ntawv cog lus hydrogen yog tsim los ntawm Adenine thiab Thymine , peb hydrogen bonds yog tsim los ntawm cytosine thiab guanine. Qhov no yog vim qhov Adenine (purine puag) khub tsuas yog nrog cov Thymine (pyrimidine puag) thiab tsis yog nrog Cytosine (purine puag).
Tsis tas li, vim li cas cytosine ua khub nrog guanine thiab tsis nrog adenine?
Koj pom, cytosine tau tsim peb hydrogen bonds nrog guanine , thiab adenine ua tsim ob daim ntawv cog lus hydrogen nrog thymine. Los yog, yooj yim dua, C bonds nrog G thiab A daim ntawv cog lus nrog T. Nws yog hu ua complementary puag ua khub vim txhua lub hauv paus ua tau nkaus xwb daim ntawv cog lus nrog ib tus khub hauv paus tshwj xeeb.
Tsis tas li ntawd, vim li cas thiaj yuav tsum muaj purine khub nrog pyrimidine? Kev piav qhia: Ua khub ntawm ib qho tshwj xeeb tshuaj purine rau a pyrimidine yog vim cov qauv thiab cov khoom ntawm cov hauv paus. Sib piv puag khub ( cov purines thiab pyrimidines ua ) tsim hydrogen bonds. A thiab T muaj ob qhov chaw uas lawv tsim hydrogen bonds rau ib leeg.
Ib yam li ntawd, vim li cas adenine ua khub nrog thymine nrog ob daim ntawv cog lus hydrogen?
DNA. Hauv DNA helix, cov hauv paus: adenine cytosine, thymine thiab guanine yog txhua qhov txuas nrog lawv lub hauv paus ntxiv los ntawm hydrogen bonding . Adenine ua ke nrog thymine nrog 2 hydrogen bonds . Qhov siab dua qhov kub ntawm qhov DNA denatures ntau dua guanine thiab cytosine puag khub muaj nyob.
Vim li cas adenine ib txwm ua khub nrog thymine thiab guanine nrog cytosine hauv DNA quizlet?
Adenine thiab Thymine tsim kom muaj ob daim ntawv cog lus hydrogen nruab nrab ntawm lawv. Guanine thiab Cytosine tsim peb hydrogen bonds nruab nrab ntawm lawv. paub tseeb DNA cov lub luag hauj lwm hauv noob caj noob ces los ntawm kev ua kom pom tias DNA yog cov khoom siv caj ces ntawm tus kab mob hu ua phage T2.
Pom zoo:
Vim li cas adenine ua ke nrog thymine?
Adenine thiab Thymine kuj muaj qhov zoo rau kev teeb tsa rau lawv cov ntawv cog lus. Lawv ob leeg yuav tsum muaj -OH/-NH pawg uas tuaj yeem tsim cov txuas hniav hydrogen. Thaum ib tug khub Adenine nrog Cytosine, ntau pab pawg nyob rau hauv ib txoj kev. Rau lawv txoj kev sib raug zoo nrog ib leeg yuav yog qhov tsis zoo
Vim li cas A thiab T thiab G thiab C ua khub hauv DNA ob lub helix?
Qhov no txhais tau hais tias txhua ntawm ob strandsindouble-stranded DNA ua raws li ib tug templatetoproduce ob strands tshiab. Replication relies oncomplementary basepairing, uas yog lub hauv paus ntsiab lus piav qhia los ntawmChargaff cov cai: adenine (A) ib txwm khi nrog thymine (T) thiab cytosine (C) ib txwm khi nrog guanine (G)
Dab tsi ntawm kev hloov pauv tshwm sim ntawm thymine thiab cytosine?
Muaj ob hom kev hloov pauv hloov pauv: kev hloov pauv hloov pauv thiab hloov pauv hloov pauv. Kev hloov pauv tshwm sim thaum lub hauv paus pyrimidine (piv txwv li, thymine [T] lossis cytosine [C]) hloov pauv rau lwm lub hauv paus pyrimidine lossis thaum lub hauv paus purine (piv txwv li, adenine [A] lossis guanine [G]) hloov rau lwm lub hauv paus purine
Puas muaj peev xwm hluav taws xob thiab lub zog muaj peev xwm tib yam Vim li cas lossis vim li cas ho tsis?
Lub zog muaj peev xwm hluav taws xob Ue yog lub zog muaj peev xwm khaws cia thaum cov nqi tawm ntawm qhov sib npaug (xws li lub zog muaj peev xwm gravitational). Lub peev xwm hluav taws xob zoo ib yam, tab sis ib tus nqi, Ueq. Ib qho hluav taws xob muaj peev xwm sib txawv ntawm ob lub ntsiab lus hu ua voltage, V = Ue2q−Ue1q
Cytosine thiab thymine yog dab tsi?
Cytosine: Cytosine yog pyrimidine puag uas yog ib qho tseem ceeb ntawm RNA thiab DNA. Thymine: Thymine yog pyrimidine puag, uas yog ua ke nrog adenine hauv doublestranded DNA. Nyob. Cytosine: Cytosine tshwm sim hauv DNA thiab RNA. Thymine: Thymine tsuas yog tshwm sim hauv DNA