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GCE JUN 2006 : (AS 1) Cell Biology (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED SUBSIDIARY (AS) General Certificate of Education 2006 Bitheola ocht Aonad Meas naithe AS 1 ag meas n Mod l 1: Bitheola ocht na gCeall [ASB11] D LUAIN 5 MEITHEAMH, MAIDIN 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 1.3 ar f il le h s id le Ceist 3 sa ph ip ar seo. N scr obh do fhreagra ar an ghrianghraf seo. 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. Don Scr daitheoir amh in Uimhir Marcanna Ceiste 1 2 3 4 5 6 7 8 Marc Ioml n ASB1S6 735.07 Roinn A Scr daitheoir Amh in Marcanna Athmharc 1 (a) Comhl naigh an t bla seo a leanas tr na carbaihiodr it a gcuirtear s os orthu a shainaithint. R l na carbaihiodr ite in org naigh bheo Carbaihiodr it Carbaihiodr it at mar chuid den strucht r RNA Foirm ina mb onn carbaihiodr it hiompar i bplanda bl thanna Foirm ina mb onn carbaihiodr it st r il in ainmhithe Carbaihiodr it strucht rach as a nd antar cillbhalla planda [4] (b) (i) Cad an difear idir l on na n-aig ad sailleach a bh onn i dtr ghlicr d agus l on na n-aig ad sailleach a bh onn i bhfosfailipid? ______________________________________________________ ___________________________________________________ [1] (ii) M nigh an difear idir aig ad sailleach s ithithe agus aig ad sailleach neamhsh ithithe maidir le strucht r. ______________________________________________________ ___________________________________________________ [1] ASB1S6 735.07 2 [Turn over 2 Sa l ar id seo th os taispe ntar na p sanna at sa timthriall cille. Scr daitheoir Amh in Marcanna Athmharc S G2 G1 Miot is C teachin is (a) C acu p s sa l ar id den timthriall cille a dtarla onn na teagmhais seo a leanas lena linn? DNA mhacasamhl ______________________________________________________ ATP mh ad ______________________________________________________ Cr maitid ndeighilt ______________________________________________________ [3] (b) Cuir s os ar an phr iseas a bhfuil scoilteadh an ch teaplasma (c teachin is) i gcealla planda mar thoradh air. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] ASB1S6 735.07 3 [Tiontaigh an leathanach 3 Is at in Grianghraf 1.3 n micreagraf leictreonach de chorp Golgi ( 90 000). Scr daitheoir Amh in Marcanna Athmharc (a) Sainaithin an d aghaidh den chorp Golgi at lip adaithe A agus B. A __________________________ B __________________________ [2] (b) Cuir s os ar an d igh a bhfoirm tear an corp Golgi sa ch teaplasma. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (c) Breac cuntas gairid ar fheidhm amh in at leis na l seas im a bh onn dt irgeadh ag an chorp Golgi. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] ASB1S6 735.07 4 [Turn over LEATHANACH B N (Leanann na ceisteanna ar an ch ad leathanach eile) ASB1S5 735.07 5 [Tiontaigh an leathanach 4 (a) An teocht faoina gcoinn tear eins m agus a substr it, beidh tionchar aici ar r ta an imoibrithe ina dhiaidh sin. Sa ghraf seo th os taispe ntar an ifeacht a bheidh ann ar an ghn omha ocht d imoibri eins m-rialaithe m mh ada tear ar an teocht 5 C go dt 40 C. Scr daitheoir Amh in Marcanna Athmharc 100 R ta imoibrithe/aonaid threallacha 80 60 40 20 0 0 5 10 15 20 25 30 35 40 45 Teocht/ C (i) San fhiosr ch n seo, tuaslagadh an eins m agus an tsubstr it i dtuaslag n maol naithe. M nigh an f th ar s ideadh tuaslag n maol naithe. ______________________________________________________ ___________________________________________________ [1] (ii) Agus an t-eolas sa ghraf thuas in s id, m nigh an ifeacht a bheidh ann ar r ta an imoibrithe m athra tear an teocht. ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [2] ASB1S6 735.07 6 [Turn over (iii) Is l on teochta (Q10) r ta an imoibrithe a thugtar ar an ifeacht a bh onn ag ard teochta de 10 C ar an r ta sin. Is leis an chothrom id seo th os a r omhtar . Scr daitheoir Amh in Marcanna Athmharc r ta imoibrithe ag 10 C os cionn teochta irithe Q10 = r ta imoibrithe ag teocht irithe Sa sp s th os, r omh an Q10, m mh ada tear an teocht 20 C go dt 30 C, don imoibri eins m-rialaithe a thaispe ntar thall. [2] (b) Is pr it in iad eins m agus, ag teochta os cionn 50 C, d n d ra tear iad sa d igh nach mb onn siad ag feidhmi a thuilleadh. M nigh cad a tharla onn le seo a chur i gcr ch. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] ASB1S6 735.07 7 [Tiontaigh an leathanach 5 Sa l ar id seo th os taispe ntar c im i sint is polaipeipt de Scr daitheoir Amh in Marcanna Athmharc (a) Cuir s os, go beacht, ar cad a tharl idh ag an ch ad ch im eile i sint is na polaipeipt de. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [4] ASB1S6 735.07 8 [Turn over Sa t bla seo th os taispe ntar c d n mRNA do gach ceann de cheithre aim naig ad. Aim naig ad AGA Cist in UGU S ir n UCU Tr in n Marcanna Athmharc C d n mRNA Argain n Scr daitheoir Amh in ACA (b) Agus an t-eolas sa t bla in s id agat, faigh (i) an c d DNA don aim naig ad cist in _________________ [1] (ii) aim naig ad a ch da tear leis an ch d DNA, TGT _________________ [1] (iii) aim naig ad a aistr tear leis an tRNA ag a bhfuil an frithch d n UCU _________________ [1] ASB1S6 735.07 9 [Tiontaigh an leathanach 6 Sa l ar id seo th os taispe ntar turgnamh inar tumadh m la ti bra Visking (a rinneadh as scann n tr scaoilteach roghna och), a raibh s ile neamhchaol ann, i dtuaslag n dar 50% s ile. Ag an am c anna cuireadh p ist mhara, Nereis diversicolor, i dtuaslag n dar 50% s ile. Scr daitheoir Amh in Marcanna Athmharc p ist mhara Taifeadadh mais an mh la agus mais na p iste mara araon ag eatraimh 2 uair an chloig thar thr imhse 12 uair agus slonnadh iad mar mh ad c atad nach i mais. Taispe ntar na tortha sa ghraf. M la ti bra Visking p ist mhara ASB1S6 735.07 10 [Turn over (a) M nigh na hathruithe sa mhais a thaispe ntar don mh la ti bra Visking thar an tr imhse 12 uair an chloig. (Ba ch ir duit tagairt a dh anamh do phoit inseal uisce na dtuaslag n.) Scr daitheoir Amh in Marcanna Athmharc _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (b) (i) Cuir s os ar an d igh a bhfuil na hathruithe a thaispe ntar sa ghraf don ph ist mhara difri il leis na hathruithe a thaispe ntar don mh la ti bra Visking. ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [2] (ii) Le linn an turgnaimh bh m ad ar thoirt an fhuail a bh eisfhearadh ag an ph ist mhara. Agus an fual chailleadh, cad an ifeacht a bheadh aige seo ar na hathruithe i mais na p iste mara? ______________________________________________________ ___________________________________________________ [1] (iii) Oiri n eile a tharla onn sa ph ist mhara seo, laghda onn s go mall ar mh id an tsalainn at ina sreabh in choirp go mb onn s n os c ngara do mh id an tsalainn san uisce mag aird. Agus salann chailleadh, cad an ifeacht a bheadh aige sin ar phoit inseal uisce na p iste mara, agus cad an ifeacht a bheadh aige ar na hathruithe i mais na p iste mara ina dhiaidh sin? ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [2] ASB1S6 735.07 11 [Tiontaigh an leathanach 7 Cruan chreimeadh ag baict ir a mb onn aig ad lachtach th irgeadh acu, is seo is c is le meath na bhfiacla de ghn th. Scr daitheoir Amh in Marcanna Athmharc Tr ithchine l den bhaict ar Streptococcus mutans, t irgeann s tocsain a mb onn baict ir eile mar aici. S leadh go bhf adfa seo a s id sa bh al i gcoinne baict ar a mb onn aig ad lachtach th irgeadh acu, agus meath na bhfiacla a chosc ar an d igh seo. Ach b onn aig ad lachtach th irgeadh ag an tr ithchine l S. mutans f in. Th inig innealt ir g initeacha ar na g inte at freagrach, ceann amh in acu a ch da onn do th irgeadh aig id lachtaigh, agus ceann eile a ch da onn do th irgeadh na tocsaine. Ba an aidhm a bh ag na hinnealt ir n g in an aig id lachtaigh a bhaint ar shi l agus g in na tocsaine a choinne il. Bh 3 eins m, A, B agus C, i gceist ag na hinnealt ir chun g in an aig id lachtaigh a bhaint ar shi l. Sa t bla seo th os taispe ntar na bunseichimh a bh onn sainaithint agus ngearradh ag na heins m A, B agus C. Eins m Gn omh gearrtha na heins me A TTCAGT AAGTCA B AAATAC TTTATG C GGTTAC CCAATG (a) C n cine l eins m iad A, B agus C? ______________________________________________________ [1] ASB1S6 735.07 12 [Turn over Sna l ar id seo th os taispe ntar na bunseichimh at ar gach taobh den gh in aig ad lachtach agus den gh in tocsain bhaict arach. GGT TAC T T CAGT CCAATGAAGT CA AAATAC T T CAGT T T TATGAAGT CA An gh in aig ad lachtach An gh in tocsain bhaict arach Scr daitheoir Amh in Marcanna Athmharc GGT TAC T T CAGT CCAATGAAGT CA AAATAC T T CAGT T T TATGAAGT CA (b) An t-eolas sna l ar id agus an t bla thall in s id agat, comhl naigh an t bla th os tr na lua cad an ifeacht a bheidh ann ar an gh in aig ad lachtach agus ar an gh in tocsain m ch ire il tear tr ithchine l na mbaict ar le heins m A, B agus C. (Freagair t n n l .) Eins m a s idtear An bhfuil an gh in aig ad lachtach bainte ar shi l? An bhfuil an gh in tocsain bainte ar shi l? A B C [3] (c) C acu de na heins m A, B n C a d fh adfa a s id le tr ithchine l an bhaict ir a bhunathr go g initeach le go mbeadh an acmhainn ann deireadh a chur le meath na bhfiacla? ______________________________________________________ [1] ASB1S6 735.07 13 [Tiontaigh an leathanach 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 an strucht r at ar scann n dromchla na cille agus an r l a bh onn aige in idirleathadh ascaithe agus in iompar gn omhach. [10] An strucht r at ar scann n dromchla na cille _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ASB1S6 735.07 14 [Turn over An r l at aige in idirleathadh ascaithe agus in iompar gn omhach Scr daitheoir Amh in Marcanna Athmharc _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ASB1S6 735.07 15 Bitheola ocht TGO Ard-Fhotheastas (AS) Aonad Meas naithe AS 1 Mod l 1: Bitheola ocht na gCeall Samhradh 2006 Grianghraf 1.3 (Le h s id le Ceist 3) A B l ont n ionphlasmach garbh ASB1S6

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Additional Info : Gce Biology June 2006 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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