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GCE JAN 2007 : (AS 1) Cell Biology (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED SUBSIDIARY (AS) General Certificate of Education January 2007 Bitheola ocht Aonad Meas naithe AS 1 ag meas n Mod l 1: Bitheola ocht na gCeall [ASB11] D M IRT 16 EAN IR, IARN IN AM 1 uair an chloig. TREOIR D IARRTH IR Scr obh d Uimhir L rionaid agus d Uimhir Iarrth ra sna sp sanna chuige sin ag barr an leathanaigh seo. Scr obh do fhreagra sna sp sanna chuige sin sa cheistph ip ar seo. Freagair gach ceann de na hocht gceist. T Grianghraf 1.6 ar f il le h s id le Ceist 6 sa ph ip ar seo. N scr obh do fhreagra ar an ghrianghraf seo. Don Scr daitheoir amh in Uimhir Ceiste 1 EOLAS D IARRTH IR Is 55 an marc ioml n don ph ip ar seo. T 43 marc ag dul do Roinn A. T 12 mharc ag dul do Roinn B. Ba ch ir duit tuairim is 15 n im ad a chaitheamh ar Roinn B. T thar ag s il leis go bhfreagr idh t Roinn B i bpr s lean nach. Meas n far caighde n na cumars ide scr ofa i Roinn B. L ir onn figi ir idir l ib n ar thaobh na l imhe deise de leathanaigh na marcanna at ag dul do gach ceist n do gach cuid de cheist. 2 3 4 5 6 7 8 Marc Ioml n ASB1W7 2339.03 Marcanna Roinn A Scr daitheoir Amh in Marcanna 1 Athmharc L igh an sliocht seo a leanas ar theicneola ocht DNA athchuingreach, agus scr obh an focal n na focail san bearna leis an chuntas a chomhl n . Cuirtear t s le roghn g ine nuair a bh onn DNA ghearradh ina dheighleoga n os giorra ag eins m ar a dtugtar ______________________________. B onn DNA ghearradh ag gach ceann de na heins m ag l ithreacha aitheanta ar leith. T irgtear gearrthacha tuislithe ag cuid mh r de na heins m seo, a fh gann go bhfoirm tear __________________________. F adtar codanna de DNA, le gearrthacha tuislithe comhl ntacha, a cheangal tr ghn omh na heins me ______________________________. T d igh eile ann le g inte a fh il. Leis seo, sint is tear an gh in a bh onn de dh th na teimpl ad teachtaire RNA (mRNA). An eins m ______________________________ catala onn s t irgeadh duail shingil de cDNA mRNA. An eins m ______________________________ sint is onn s dual comhl ntach eile de DNA le c ip ioml n DNA den gh in a dh anamh. ASB1W7 2339.03 2 [4] [Turn over 2 Sa t bla seo th os liosta tear 3 pholaisi icr d agus na hisim ir de ghl c s is f idir a s id mar mhonaim ir agus iad sint isi . Polaisi icr d Gl c s Scr daitheoir Amh in Marcanna Athmharc Gl c s St irse Glicigin Ceallal s (a) Comhl naigh an t bla tr thic ( ) a chur ann m s an isim ir de ghl c s an monaim ir a bh onn i gceist agus an pholaisi icr d sint isi agus cros ( ) a chur ann murab an ceann at i gceist. (N f g bosca ar bith b n.) [3] (b) Luaigh cos lacht amh in agus difr ocht amh in idir na polaisi icr d st irse agus glicigin. (Na monaim ir a bh n- s id ina sint isi , n c ir go mbeadh siad i do fhreagra.) Cos lacht _________________________________________________ __________________________________________________________ _________________________________________________________ Difr ocht _________________________________________________ _________________________________________________________ _______________________________________________________ [2] ASB1W7 2339.03 3 [Tiontaigh an leathanach 3 Sa t bla seo th os l ir tear 3 ch im den timthriall cille i gcill ainmh . Comhl naigh an t bla tr d an ch im at l irithe a ainmni , agus breac cuntas gearr ar imeacht t bhachtach amh in at ar bun sa ch im. C im: Stage: ______________________________________________ Imeacht: Event: ______________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ C im: Stage: ______________________________________________ Imeacht: Event: ______________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ C im: Stage: ______________________________________________ Imeacht: Event: ______________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ Scr daitheoir Amh in Marcanna Athmharc [6] ASB1W7 2339.03 4 [Turn over 4 Sa l ar id seo th os taispe ntar c iri ch n na bhfosfailipid i gcillscann n. Scr daitheoir Amh in Marcanna Athmharc (a) Cuir s os ar na saintr ithe de chuid m il n fosfailipide a fh gann go mb onn an c iri ch n seo ann. __________________________________________________________ _________________________________________________________ __________________________________________________________ _______________________________________________________ [2] F adann na m il n fosfailipide bogadh thar a ch ile taobh istigh den scann n. Tugtar silteacht chomh maith ar an idirleathadh cliath nach seo taobh istigh den scann n, agus m ada tear air ag teochta n os airde. (b) Cad chuige a mb onn an scann n n os silt mar gheall ar ard sa teocht? __________________________________________________________ _______________________________________________________ [1] B onn na heireabaill de mh il n fosfailipide ag idirghn omh lena ch ile, agus laghda tear ar an luas faoina mbogann siad d bharr. M il n colaist ar il a bh onn sa d chiseal fosfailipide i gcillscann in ainmh , b onn siad ag idirghn omh leis na heireabaill fosfailipide. (c) M nigh an ifeacht a bh onn ag m il n colaist ar il ar shilteacht scann in. __________________________________________________________ _________________________________________________________ __________________________________________________________ _______________________________________________________ [2] ASB1W7 2339.03 5 [Tiontaigh an leathanach 5 (a) Is pr it in cruinneogacha iad eins m a mb onn imoibrithe meitibileacha gcatal acu agus, d bharr sin, b onn ifeacht ag pH orthu. Sa l ar id seo th os taispe ntar c iri ch n na n-aim naig ad in eins m a bhfuil substr it ceangailte di. Scr daitheoir Amh in Marcanna Athmharc An l ar id agus do thuiscint f in ar ghn omh eins me in s id agat, m nigh an ifeacht a bh onn ag ags lachta in pH ar ghn omh eins me. __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ _______________________________________________________ [3] (b) Fiosra odh an ifeacht a bheadh ag 3 theocht (50 C, 60 C agus 70 C) ar ghn omh eins me tr thuaslag in eins me a ghor, sular meascadh leis an tsubstr it iad, ar feadh tr imhs difri la ama (suas go dt 1 uair an chloig). I ndiaidh gur t adh an eins m ag na teochta seo, meascadh an eins m agus an tsubstr it agus tomhaiseadh r ta an imoibrithe. Taispe ntar na tortha ar an ghraf thall. ASB1W7 2339.03 6 [Turn over 50 C An r ta imoibrithe/aonaid threallacha 100 Scr daitheoir Amh in Marcanna Athmharc 80 60 C 60 40 20 70 C 0 0 10 20 30 40 Am goir/n im id 50 60 (i) n ghraf, faigh an r ta imoibrithe a bh ann nuair a bh an eims m gor ar feadh 40 n im ad ag 60 C. ____________________________________________________ [1] (ii) Sainaithin treochta at l iri sa ghraf thuas. ______________________________________________________ ______________________________________________________ ______________________________________________________ ____________________________________________________ [2] (iii) Cad an m ni , dar leat, at ar na tortha seo? _____________________________________________________ ___________________________________________________ [1] ASB1W7 2339.03 7 [Tiontaigh an leathanach 6 Is at in Grianghraf 1.6 n micreagraf leictreonach de chealla paincr asacha mamacha. Scr daitheoir Amh in Marcanna Athmharc (a) Sainaithin na strucht ir at lip adaithe A go D. A __________________________ B __________________________ C __________________________ D __________________________ [4] (b) Agus an barra-sc la ar an ghrianghraf in s id agat, faigh trastomhas na horg naide feadh na haise at l iri ( ). (Taispe in do chuid oibre.) Freagra __________________ [3] ASB1W7 2339.03 8 [Turn over 7 Fuilchealla dearga, b onn caid il Na+ (ian s idiam) acu ina gcillscann in dromchla. B onn Na+ phump il amach as an chill acu seo sa d igh gur iontach ard an ti chan Na+ sa phlasma thart ar an chill ach, ag an am c anna, is iontach seal an ti chan Na+ istigh sa chill. Scr daitheoir Amh in Marcanna Athmharc ti chan ard d iain s idiam C ire ladh sampla d fhuilchealla (tumtha i bplasma) le ciain d ar nimh a choisceann t irgeadh ATP. I ndiaidh c pla n im ad bh na fuilchealla dearga uile r abtha (l sithe). Tagann dath dearg ar an phlasma de r ir mar a bh onn haemagl ibin scaoileadh. (a) C n cine l de mh il n a nd antar an caid al scann in as? _______________________________________________________ [1] (b) Cad a tharla, dar leat, do na caid il Na+ nuair a c ire ladh na fuilchealla dearga le ciain d? M nigh an f th ar tharla s seo. __________________________________________________________ __________________________________________________________ _______________________________________________________ [2] (c) I ndiaidh go gc ire iltear na cealla le ciain d, cad a tharl idh don ti chan Na+ taobh istigh de na cealla? _______________________________________________________ [1] (d) I ndiaidh go gc ire iltear na cealla le ciain d r abfaidh siad. Agus tagairt d anamh agat do phoit inseal uisce, m nigh cad chuige. __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ _______________________________________________________ [3] ASB1W7 2339.03 9 [Tiontaigh an leathanach (e) Is pr it in haemagl ibin at comhchuingeach agus ceathartha araon ina strucht r. M nigh na t arma Scr daitheoir Amh in Marcanna Athmharc Comhchuingeach _________________________________________ __________________________________________________________ Ceathartha ______________________________________________ _______________________________________________________ [2] ASB1W7 2339.03 10 [Turn over Roinn B Scr daitheoir Amh in Marcanna Athmharc Sa roinn seo t thar ag s il leis go dtabharfaidh t do fhreagra i bpr s lean nach, le l ar id mar thaca ocht leis, san it ar cu sin. Cuirtear i gcuimhne duit go bhfuil suas le dh mharc sa cheist seo ag dul do chaighde n na cumars ide scr ofa. [2] 8 Scr obh cuntas ar strucht r DNA agus strucht r RNA agus d an tagairt d bhfeidhmeanna. [10] DNA _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ASB1W7 2339.03 11 [Tiontaigh an leathanach RNA Scr daitheoir Amh in Marcanna Athmharc _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ASB1W7 2339.03 12 [Turn over SEO DEIREADH AN SCR DPH IP IR ASB1W7 2339 13 [Turn [Turn over ASB1W7 ASB1W7 2339 14 [Turn over ASB1W7 ASB1W7 2339 15 [Turn over Cuireadh isteach ar chead chun an t- bhar c ipchirt uile a at irgeadh. I gc sanna irithe is f idir n r irigh le CCEA teagmh il a dh anamh le h in ir c ipchirt agus beidh s s sta na hadmh lacha sin a f gadh ar l r a chur ina gceart amach anseo ach a chur ar an eolas. S 3/06 2800 9-023-1 ASB1W7 2339 [Turn6over 1 [Turn over Bitheola ocht TGO Ard-Fhotheastas (AS) Aonad Meas naithe AS 1 Mod l 1: Bitheola ocht na gCeall Ean ir 2007 Grianghraf 1.6 (Le h s id le Ceist 6) A B C D 1 m ASB1W7 2339.04 Foinse: G. McCartney

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Additional Info : Gce Biology January 2007 Assessment Unit AS 1 Module 1: Cell Biology (Irish Medium)
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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