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GCE JUN 2010 : (A2 2) Biochemistry, Genetics and Evolution - Revised (Irish Medium)

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So nr N a o ua ch t Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED General Certificate of Education 2010 Bitheola ocht ag meas n Bithcheimic, G ineola ocht agus Treochta abhl ideacha AB221 Aonad Meas naithe A2 2 [AB221] D M IRT 8 MEITHEAMH, MAIDIN AM 2 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 scr dph ip ar seo. Freagair gach ceann de na naoi gceist. T Grianghraf 5.4A agus B ar f il le h s id le Ceist 4 sa ph ip ar seo. N scr obh do fhreagra ar an ghrianghraf seo. EOLAS D IARRTH IR Is 90 an marc ioml n don ph ip ar seo. T 72 marc ag dul do Roinn A. T 18 marc ag dul do 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. Cuirtear i gcuimhne duit go bhfuil Gaeilge mhaith agus cur i l thair soil ir riachtanach i do fhreagra . s id t arma ocht bheacht eola ochta sna freagra uilig. Ba ch ir duit tuairim is 25 n im ad a chaitheamh ar Roinn B. Marc Ioml n Glactar 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 agus bronnfar 2 mharc ar a mh ad air. T bileoga statistic ar f il le h s id leis an ph ip ar seo. 6249.04 Don Scr daitheoir amh in Uimhir Ceiste 1 2 3 4 5 6 7 8 9 Marc Ioml n Marcanna Scr daitheoir Amh in Marcanna Athmharc LEATHANACH B N 6249.04 2 [Turn over Roinn A Scr daitheoir Amh in Marcanna 1 Athmharc (a) L ir onn an l ar id seo th os an plean coirp de Hydra, ball den fh leam Cnidaria. A B C Ainmnigh na cisil A, B agus C. A ________________________________ B ________________________________ C ________________________________ [2] (b) Cuir s os ar 3 ghn at i mbaill an fh lim Annelida agus nach bhfuil in Hydra. 1 ______________________________________________________ _______________________________________________________ 2 ______________________________________________________ _______________________________________________________ 3 ______________________________________________________ _____________________________________________________ [3] 6249.04 3 [Tiontaigh an leathanach 2 Tugann an l ar id seo th os achoimre ar na c imeanna ags la at i gceist i riospr id m il n ghl c is. Scr daitheoir Amh in Marcanna Athmharc gl c s gl c s 6-fosf it A fosf it tr is ADP + Pi ATP aic itil CoA B ADP H C H2O O2 CO2 CO2 (a) (i) Comhl naigh an l ar id tr d an chomhdh il at ar iarraidh a ainmni sa bhosca fholamh. [1] (ii) Luaigh c h it sa chill a dtarla onn pr iseas A. _________________________________________________ [1] (iii) Ainmnigh gach ceann de na pr isis a tharla onn ag su omh B agus su omh C. B _________________________________ C _________________________________ [2] (b) Tugann an l ar id achoimre ar riospr id ghl c is. Cuir s os ar an d igh a nd antar riospr id ar aig id shailleacha. _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] 6249.04 4 [Turn over 3 Eagra odh an Human Genome Project leis na n icl it d uilig a sheiceamh agus na g inte in DNA daonna a mhap il. Scr daitheoir Amh in Marcanna Athmharc Taispe nann an graf th os l on na ng inte map ilte do chr mas im dar m ideanna difri la. 2000 1800 L on na ng inte map ilte 1600 1400 1200 X 1000 800 600 400 200 Y 0 0 50 100 150 200 Fad cr mas im/bunanna M 250 300 (a) Cuir s os ar an treocht at follasach sa ghraf. _______________________________________________________ _____________________________________________________ [1] (b) Sainaithn tear na cr mas im ghn is, X agus Y, sa ghraf. Cuir l on na ng inte sna cr mas im seo i gcompar id le cr mas im eile den mh id ch anna. X _____________________________________________________ _____________________________________________________ Y _____________________________________________________ ___________________________________________________ [2] (c) An difr ocht idir l on na ng inte ar na cr mas im X agus Y, m nigh a th bhachta at s d fhireannaigh. _______________________________________________________ _____________________________________________________ [1] 6249.04 5 [Tiontaigh an leathanach 4 Taispe nann Grianghraf 5.4A caonach den gh ineas Polytrichum. Scr daitheoir Amh in Marcanna Athmharc (a) (i) Sainaithin na c imeanna i saolr an chaonaigh mar at l iri ag X agus Y. X __________________________ Y __________________________ [2] (ii) Luaigh pl ideacht na gceall i gc im X a thaispe ntar i ngrianghraf 5.4A. _________________________________________________ [1] T planda den gh ineas Polytrichum ingearach agus b onn a gcuid rios ideach forbartha go maith. F sann siad i ndosanna dl tha mar a thaispe ntar i ngrianghraf 5.4A. F gann na gn ithe seo go dtig le speicis Polytrichum a bheith ag f s ar charraigeacha agus ar bhalla , ruda at measartha tirim. (iii) C n d igh, dar leat, a bhf gann na gn ithe seo a leanas go dtig leis na planda seo a bheith ag f s i r igi in at measartha tirim? Rios idigh at forbartha go maith ________________________________________________ ________________________________________________ A bheith ag f s i ndosanna dl tha ________________________________________________ ______________________________________________ [2] (iv) M nigh an d igh a dtaca tear leis an phlanda lena choinne il ingearach. ___________________________________________________ _________________________________________________ [1] 6249.04 6 [Turn over (b) Taispe nann Grianghraf 5.4B planda caonaigh den gh ineas Sphagnum. Cumhda onn an caonach seo na hithreacha b ite i bportaigh mh na. T cuid ochtair an phlanda marbh agus n l aon rios idigh ann. Ions itear uisce agus iain mhianracha go d reach tr na strucht ir a bhfuil cuma duilleoige orthu. Scr daitheoir Amh in Marcanna Athmharc Mol c iseanna leis na tr ithe seo a leanas, ar saintr ithe Sphagnum iad. Rios idigh in easnamh agus cuid ochtair an chaonaigh a bheith marbh ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ A bheith balta uisce agus iain mhianracha a ions isteach sna strucht ir a bhfuil cuma duilleoige orthu, rud nach f idir le duilleoga raithneach n planda bl thanna a dh anamh, ar baill den roinn Tracheophyta iad. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [4] 6249.04 7 [Tiontaigh an leathanach 5 Is an eins m carbocsal is biosfhosf it riobal is (Rubisco) a chatala onn an t-imoibri idir biosfhosf it riobal is (RuBP) agus d -ocsa d charb in. Scr daitheoir Amh in Marcanna Athmharc Is f idir planda g inathraithe a th irgeadh le RNA frithch adfach a fh gann go sint is tear n os l den eins m Rubisco. Planda Rubisco laghdaithe a thugtar orthu seo. F sann siad go mall agus t siad feosa . (a) (i) Cad toradh an imoibrithe idir biosfhosf it riobal is agus d -ocsa d charb in? _________________________________________________ [1] (ii) I dtimthriall Calvin, is thr sfhosf it a athghintear biosfhosf it riobal is. Luaigh cad eile at de dh th le go n-athghinfear biosfhosf it riobal is. ___________________________________________________ _________________________________________________ [1] (iii) M nigh cad chuige a bhf sann na planda Rubisco laghdaithe go mall agus cad chuige a bhfuil siad feosa . ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (b) D s id mac l inn duilleoga phlanda Rubisco laghdaithe agus phlanda neamhch ire ilte (c imheast ir) i sraith turgnamh. Taispe nann an graf thall an r ta faoina raibh d -ocsa d charb in hasamhl ag an d phlanda ag d in difri la solais. Choinnigh an mac l inn teocht 25 C agus ti chan ard d -ocsa d charb in ag na d in solais uilig. 6249.04 8 [Turn over R ta faoina raibh d -ocsa d charb in hasamhl /aonaid threallacha Scr daitheoir Amh in 50 Marcanna Athmharc 40 30 X X X X X X 20 X planda neamhch ire ilte (c imheast ir) 10 X X planda Rubisco laghdaithe 0 0 500 1000 D ine solais/aonaid threallacha 1500 (i) Is faoin r ta c anna at d -ocsa d charb in hasamhl ag an d phlanda sna d in sle solais. M nigh seo. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (ii) Is faoi r ta difri il at d -ocsa d charb in hasamhl ag an d phlanda sna d in arda solais. M nigh seo. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 6249.04 9 [Tiontaigh an leathanach (c) Chuir an mac l inn turgnamh eile i dtreoir leis an r ta faoina raibh d -ocsa d charb in hasamhl ag an d phlanda a thomhas ag ti chain ags la de dh -ocsa d charb in. Scr daitheoir Amh in Marcanna Athmharc Sa turgnamh seo bheadh ar an mhac l inn teocht 25 C agus d ine ard solais a choinne il. (i) M nigh cad chuige a mbeadh ar an mhac l inn teocht measartha ard de 25 C a choinne il sa turgnamh. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (ii) Cad an toradh a bheadh ar an turgnamh seo don bheirt acu, an planda Rubisco laghdaithe agus an planda neamhch ire ilte (c imheastoir)? ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (iii) M nigh an toradh don phlanda Rubisco laghdaithe . ___________________________________________________ ___________________________________________________ _________________________________________________ [1] 6249.04 10 [Turn over LEATHANACH B N (Leanann na ceisteanna ar an ch ad leathanach eile) 6249.04 11 [Tiontaigh an leathanach 6 (a) I suirbh ar na m ideanna coibhneasta de speicis mhamacha a ch na onn ar oile n, chuir mic l inn gach speiceas i gcompar id lena ngaolta a ch na onn ar an mh rth r. Bh ceithre ghr pa mamach sa suirbh . I ngach c s thaifead na mic l inn an l on de na mamaigh ar an oile n a bh n os l n , n ar c imh id le n n os m n a speiceas gaolmhar ar an mh rth r. T na tortha sa t bla seo th os. Scr daitheoir Amh in Marcanna Athmharc L on na speiceas a ch na onn ar oile n Ar N os N os l c imh id m n le n Lagomorph (coin n agus giorriacha) 4 4 1 Creimir (lucha agus francaigh) 6 3 60 Feoiliteoir 13 1 1 Artadachtalaigh (mammaigh ladharchothrom amhail fianna) 9 2 0 Luaigh dh th tal is f idir a bhaint as na tortha . 1. _____________________________________________________ _______________________________________________________ 2. _____________________________________________________ _____________________________________________________ [2] (b) T lucha f ir den speiceas Apodemus sylvaticus an-choitianta ar fud na h ireann. S leadh go raibh na lucha f ir ar Reachlainn n os m n na lucha f ir ar mh rth r Thuaisceart ireann. Tugann an t bla th os achoimre ar shonra a bail odh don mhais a bh i sampla de lucha f ir aosacha a s inn odh ar Reachlainn agus ar an mh rth r. Su omh na luch f ir Reachlainn An l on luch sa sampla Me nmhais na luch Diall caighde nach an mhe in M rth r (n) ( ) x 17 120 33.15 23.8 ( x) 2.56 1.65 Is f idir t-t st il a s id le maismhe n na luch ar Reachlainn a chur i gcompar id le maismhe n na luch ar an mh rth r. 6249.04 12 [Turn over (i) Luaigh an hipit is nialasach don t st il seo. Scr daitheoir Amh in Marcanna Athmharc ___________________________________________________ ___________________________________________________ _________________________________________________ [1] (ii) R omh luach t na sonra sa t bla thall. (Taispe in do chuid oibre.) Freagra _______________ [2] (iii) Luaigh na c imeanna saoirse a bh in s id le t bla na staitistic a l amh. _________________________ [1] (iv) Luaigh an luach d ch lachta don t a r omhadh. _________________________ [1] (v) Luaigh do chinneadh faoin hipit is nialasach. ___________________________________________________ _________________________________________________ [1] 6249.04 13 [Tiontaigh an leathanach (c) T pobal na luch ar Reachlainn scartha lucha na m rth re. I gc s an phobail oile in seo is f idir go mbeidh m id mh r ina bunt iste maidir le roghn . Scr daitheoir Amh in Marcanna Athmharc (i) M nigh abhl id m ide m ire ar Reachlainn. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (ii) M nigh cad a d fh adfadh a bheith ina ch is le speiceas nua luiche ar Reachlainn ar deireadh. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 6249.04 14 [Turn over LEATHANACH B N (Leanann na ceisteanna ar an ch ad leathanach eile) 6249.04 15 [Tiontaigh an leathanach 7 Is madra an t-aimsead ir ladrad ir a bhfuil fionnadh dubh, fionnadh donn n fionnadh bu aige. Is iad dh gh in a fhaightear gan sple chas le hoidhreacht, a riala onn dath an fhionnaidh. N l nasc gn is idir na g inte seo. Scr daitheoir Amh in Marcanna Athmharc Is iad na haill il de gh in l ag an l cas B/b a chinnt onn an m id de l dhubh a th irgfear. M t aill il B i l thair beidh fionnadh dubh ann. Is an g init opa bb a th irgeann fionnadh donn. Imr onn g in eile ag an l cas E/e tionchar ar r aladh na n-aill il ag an l cas B/b. An aill il E a bheith i l thair, f gann s go r altar na haill il ag an l cas B/b. T irgfear fionnadh bu i gc na m s ee an g init opa, is cuma cad iad na haill il at i l thair ag an l cas B/b. (a) (i) Luaigh an g init opa at ag Labrad r donn onph raithe. _________________________________________________ [1] (ii) Luaigh an t arma g initeach a chuireann s os ar an ghaol idir an l cas B/b agus an l cas E/e. _________________________________________________ [1] (b) Chros il p raitheoir dh mhadra dhubha a raibh a fhios aige a bheith heitrisigeach don d gh in (BbEe). Faigh na comhr ireanna a mbeife ag s il leo n sliocht a t irgeadh i dtaca le g init opa agus feinit opa de. Taispe in do chuid oibre ar l ar id gh initeach sa sp s th os. [5] 6249.04 16 [Turn over (c) Chros il p raitheoir Labrad r bu fireann agus Labrad r dubh baineann. Bh 7 gcoile n bhu agus 3 choile n dhubha san l. Scr daitheoir Amh in Marcanna Athmharc (i) I dtaca leis an haill il ag an l cas E/e amh in, luaigh na g init opa don athair agus don mh thair. Luaigh f th le gach ceann de na freagra . fireann bu _______________ baineann dubh ___________ [2] (ii) Cad chuige, dar leat, nach raibh aon choile n donn san l? ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 6249.04 17 [Tiontaigh an leathanach 8 L igh an sliocht seo a leanas a bhaineann leis an ch d g ine don phr it in mhat in, dystrophin. B onn dystrophin in easnamh sna haill il s ite in den gh in seo, rud at ina ch is leis an ghalar fhorch imnitheach di mat n, diostr ife mhat nach Duchenne (DMD). T an gh in do dystrophin suite ar an X-cr mas m. L irigh teicn c seicheamhaithe go bhfuil 2.4 milli n p ire n icl it d sa gh in. N ch da onn ach 11,055 n icl it de, fach, do dystrophin. Idirscoireann na r igi in neamhch daithe (introns) na 79 r igi n c daithe (exons) taobh istigh den gh in. Faightear an galar DMD le hoidhreacht mar thr ith gn asnasctha. N tharla onn DMD i mbaineannaigh ach go hannamh, c gur f idir gur iompr ir iad don aill il s ite in. Na fireannaigh a bhfuil an galar seo orthu, l ir onn siad comhartha in aois a gc ig bliana, b onn a bhformh r ag brath ar chathaoir rotha in aois a dh bhliain d ag agus faigheann siad b s go mall sna d aga n go luath sna fichid . I staid ar ar 77 c s de DMD n raibh stair teaghlaigh den ghalar, fach, ag 43 duine acu. Mar gheall ar sh ite in san ubhag n baineann is f idir go mbeidh an aill il at ina c is le DMD sna hubh in (uibheacha). N aims tear seo in anail s DNA a dh antar ar fh och in eile an bhaineannaigh, ar an fhuil, mar shampla. Scr daitheoir Amh in Marcanna Athmharc 5 10 15 Anseo th os t anail s an DNA, ag s id sampla fola, dh theaghlach a raibh DMD ar mhic. Bh an ins m ghearrtha Bg/ll in s id leis an DNA a ghearradh i r igi n na g ine dystrophin agus bh t iread ir cDNA in 20 s id leis na marc ir g initeacha (RFLPs) difri la a aimsi . Taispe nann na l ar id th os na marc ir g initeacha (RFLPs) a aims odh i dtuismitheoir agus i sliocht an d theaghlach. An t iread ir a bh in s id i dteaghlach A, shainaithin s marc ir i go vi. An t iread ir a bh in 25 s id i dteaghlach B, shainaithin s marc ir vii go xi. Teaghlach A L na 1 2 3 4 5 Ball teaglaigh Deirfi r 1 (tuismitheoir) Mac le deirfi r 1 a bhfuil DMD air Mac le deirfi r 1 a bhfuil DMD air Deirfi r 2 (tuismitheoir) Gn thmhac le deirfi r 2 Teaghlach B L na L na 1 2 3 4 5 Ball teaghlaigh Athair M thair Mac a bhfuil DMD air Mac a bhfuil DMD air Gn thin on An fhaisn is seo agus do thuisicnt f in in s id, freagair na ceisteanna a leanann. 6249.04 18 [Turn over (a) R omh ca mh ad aim naig ad at ann sa phr it in, dystrophin [l ne 2]. (Taispe in do chuid oibre.) Scr daitheoir Amh in Marcanna Athmharc Freagra __________________ [1] (b) M nigh an t arma stair teaghlaigh [l ne 12]. _______________________________________________________ _____________________________________________________ [1] (c) Baineann scrios n icl it de le s ite in sa gh in [l ne 13]. Cuir s os ar an d igh a n-athr far an gh in mar gheall ar scrios n icl it de agus m nigh an d igh a n-athra tear str cht r pr omh il na pr it ine. _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] (d) (i) I dteaghlach A, cuir na marc ir g initeacha a shainaithin an t iread ir g initeach sna mic a raibh DMD orthu i gcompar id le baill eile an teaghlaigh. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (ii) I dteaghlach B, t an marc ir g initeach vii i l thair sna mic a bhfuil DMD orthu agus ina m thair. M nigh cad chuige nach bhfuil DMD ar a m thair. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 6249.04 19 [Tiontaigh an leathanach (iii) Scr obh cuntas gearr ar an DMD a fhaightear le hoidhreacht sa d theaghlach. Scr daitheoir Amh in Marcanna Athmharc ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [3] 6249.04 20 [Turn over LEATHANACH B N (Leanann na ceisteanna ar an ch ad leathanach eile) 6249.04 21 [Tiontaigh an leathanach Roinn B Scr daitheoir Amh in Marcanna Athmharc Bronnfar 2 mharc ar a mh ad ar chaighde n na cumars ide scr ofa sa roinn seo. [2] 9 (a) Scr obh cuntas ar an r l at ag aig id n icl asacha i sint is pr it in . [10] (b) Baineadh s id as an eolas ar r l na n-aig ad n icl asach le foins nua de phr it in t bhachtacha m ochaine agus barra nua a chur ar f il org naigh gh inathraithe. Pl igh na r amhch raim s bh ilteachta at i bhfeidhm faoi l thair le dul i ngleic leis na guaiseanna a d fh adfadh a bheith ann as org naigh gh inathraithe a s id, chomh maith le cuid de na m rcheisteanna eitici la maidir le bunt ist agus riosca na teicneola ochta g ine. [6] _____________________________ (a) Scr obh cuntas ar an r l at ag aig id n icl asacha i sint is pr it in . _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6249.04 22 [Turn over Scr daitheoir Amh in _______________________________________________________ Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6249.04 23 [Tiontaigh an leathanach _______________________________________________________ Scr daitheoir Amh in Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6249.04 24 [Turn over (b) Pl igh na r amhch raim s bh ilteachta at i bhfeidhm faoi l thair le dul i ngleic leis na guaiseanna a d fh adfadh a bheith ann as org naigh gh inathraithe a s id, chomh maith le cuid de na m rcheisteanna eitici la maidir le bunt ist agus riosca na teicneola ochta g ine. Scr daitheoir Amh in Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6249.04 25 [Tiontaigh an leathanach _______________________________________________________ Scr daitheoir Amh in Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6249.04 26 [Turn over SEO DEIREADH AN SCR DPH IP IR 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. 6249.04 So nr N a o ua ch t Ardbhitheola ocht GCE (A2) Aonad Meas naithe A2 2 Bithcheimic, G ineola ocht agus Treochta abhl ideacha Samhradh 2010 Grianghraif 5.4 A agus B (le h s id le Ceist 4) A B X Y Dr Jeremy Burgess/Science Photo Library 6249.06 [Turn over Sidney Moulds/Science Photo Library

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Additional Info : Gce Biology June 2010 Assessment Unit A2 2 : Biochemistry, Genetics and Evolutionary Trends (Irish Medium)
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