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GCE JUN 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 2007 bitheola ocht Aonad Meas naithe AS 1 ag meas n Mod l 1: Bitheola ocht na gCeall [Asb11] D LuAiN 4 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. Scr obh do fhreagra ar Roinn B ar an ph ip ar l nithe ag deireadh an leabhr in seo. Freagair gach ceann de na hocht gceist. T Grianghraf 1.5 ar f il le h s id le Ceist 5 sa ph ip ar seo. N scr obh do fhreagra ar an ghrianghraf seo. Don scr daitheoir Amh in uimhir Marcanna Ceiste 1 2 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. ASB1S7 2340 3 4 5 6 7 8 Marc ioml n roinn A Scr daitheoir Amh in Marcanna 1 Athmharc Sainaithin an focal n an fr sa a gcuirtear s os air i ngach ceann de na r itis seo a leanas. (a) Gr pa ceall, a bhfuil an fheidhm ch anna le gach ceann acu. _______________________________________________________ [1] (b) Pr iseas ceallach ina bhfuil saic n dh anamh ag an scann n cille, agus a fh gann go bhfuil an t- bhar at le tabhairt isteach sa chill iniamh. (c) An ch im sa mhiot is ina dtagann na cr mas im le ch ile i l ne ag me nchiorcal na cille. (d) Org naid, i gcealla pr car tacha agus i gcealla eocar tacha araon, at d anta de phr it in agus de DNA. _______________________________________________________ [1] _______________________________________________________ [1] _______________________________________________________ [1] ASB1S7 2340 2 [Turn over 2 Sa l ar id seo th os l ir tear an strucht r m il neach at ar thr ghlicr d. Scr daitheoir Amh in Marcanna HH H HHH O C C C H C O C C C C HH HHH HHHHH O H C O C C C C C C C HHHHH HHHHH O H C O C C C C C C C H HHHHH Athmharc O OH O OH O OH (a) Ar an l ar id, tarraing l ne thart ar aig ad sailleach neamhsh ithithe. [1] (b) Ainmnigh an cine l d imoibri a bh onn in s id le haig ad sailleach a cheangal den mh il n gliocr l. (c) Luaigh feidhm amh in at le tr ghlicr d. (d) Cuir s os ar an d igh a bhfuil strucht r agus air onna fosfailipide difri il leo si d de chuid tr ghlicr de. _______________________________________________________ [1] _______________________________________________________ [1] __________________________________________________________ __________________________________________________________ __________________________________________________________ _______________________________________________________ [2] ASB1S7 2340 [Tiontaigh an leathanach Sa l ar id th os taispe ntar cuid de mh il n DNA agus macasamhl ar bun aige. Scr daitheoir Amh in Marcanna Athmharc 1 2 3 adain n guain n c ot is n 4 (a) Ainmnigh na strucht ir at lip adaithe 1 go 4. 1 __________________________ 2 __________________________ __________________________ 4 __________________________ (b) Ainmnigh an eins m a chatala onn an ceangal idir strucht r 4 agus an dual DNA. [3] _______________________________________________________ [1] ASB1S7 2340 4 [Turn over (c) Cad an t arma a s idtear le cur s os ar an mheicn ocht tr na mb onn DNA ag macasamhl ? Marcanna Athmharc (d) C huair, go beacht, i dtimthriall na cille a tharla onn macasamhl DNA? Scr daitheoir Amh in _______________________________________________________ [1] _______________________________________________________ [1] ASB1S7 2340 5 [Tiontaigh an leathanach 4 Is pr it in cruinn neacha iad eins m a mb onn imoibrithe meitibileacha gcatal acu. Sa l ar id 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 Y X (a) Ainmnigh an chuid den eins m ina bhfuil sc th liath ar na haim naig id. (b) An l ar id agus do chuid eolais f in ar ghn omh eins me in s id agat, m nigh an d igh a mb onn eins m ag feidhmi mar chatala och. __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ _______________________________________________________ [3] (c) Sainaithin na cine lacha de nasc at lip adaithe X agus y. Nasc X ___________________________________________________ Nasc y _________________________________________________ [2] _______________________________________________________ [1] ASB1S7 2340 [Turn over 5 In Grianghraf 1.5 (formh ad 30 000), l ir tear cuid de dh chill phlanda a bhfuil cuid de chl raplast taispe int acu. b ___________________________ C ___________________________ D __________________________ _ (b) An strucht r at lip adaithe C, t s 20 mm ar leithead ar an ghrianghraf. s id an formh ad a thugtar chun f orleithead an strucht ir seo a fh il ina mhicrim adair ( m). (Taispe in do chuid oibre sa sp s th os). Athmharc A __________________________ _ Marcanna (a) Sainaithin na strucht ir at lip adaithe A go D. Scr daitheoir Amh in ASB1S7 2340 [4] Freagra __________________ [2] 7 [Tiontaigh an leathanach An planda glas, Nitella, b onn iain n-ions aige n uisce loch in ina gc na onn s . Sa t bla th os taispe ntar ti chan 3 ian in uisce loch in agus i gc teaplasma na gceall planda. ian Ti chan iain in uisce loch in /mmol dm Ti chan iain i gc teaplasma cille /mmol dm 3.0 10.8 0.05 2.5 50 0.008 Athmharc 3.6 N otr it Marcanna C imheas cnuasaigh Maign isiam Scr daitheoir Amh in 1.8 Fosf it (a) Ainmnigh an pr iseas tr na mb onn na hiain seo n-ions ag na cealla planda. C n fhianaise sa t bla a thaca onn le do fhreagra? __________________________________________________________ ________________________________________________________ _ __________________________________________________________ _______________________________________________________ [2] (b) Taispe ntar chomh maith sa t bla an c imheas cnuasaigh do dh cheann de na hiain. Comhl naigh an t bla chun an luach do fhosf it at ar iarraidh a thaispe int. [1] (c) B onn na hiain n-ions faoi r ta difri la. s id do thuiscint f in ar an d igh a mb onn scann n dhromchl na cille ag feidhmi chun seo a mh ni . __________________________________________________________ ________________________________________________________ _ __________________________________________________________ _______________________________________________________ [2] ASB1S7 2340 [Turn over (d) An r ta faoina raibh na hiain uile n-ions , fuarthas amach n rbh ionann i gcealla difri la planda. D anta na f rinne, bh s n os airde sna cealla sin ina raibh an l on ba mh de mhiteacoindr . Cad chuige, dar leat? Marcanna Athmharc _________________________________________________________ _ Scr daitheoir Amh in _______________________________________________________ [1] (e) Luaigh feidhm amh in at leis na hiain mhaign isiam a bh onn n-ions ag an phlanda. __________________________________________________________ _______________________________________________________ [1] ASB1S7 2340 [Tiontaigh an leathanach 7 Is 1350 kPa an poit inseal tuaslag iteach (osm iseach) at ag 300 mmol dm 3 de thuaslag n salainn (NaCl). Scr daitheoir Amh in Marcanna (a) Luaigh cad is f idir a chur leis an tuaslag n seo chun: l poit inseal tuaslag iteach an tuaslag in a ard __________________ l poit inseal tuaslag iteach an tuaslag in a sli _______________ [2] Athmharc Is san fharraige, n os m n 30 m adar faoin uisce, a ch na onn an port n faoilinne (Maia), ach is in inbhir agus feadh l ne an chladaigh chomh maith a ch na onn an port n glas (Carcinus). Nuair a chuirtear an d speiceas de phort n i dtuaslag n caol de sh ile athra onn an poit inseal tuaslag iteach ina sreabh in choirp. Taispe ntar na tortha sa ghraf th os. Poit inseal tuaslag iteach na sreabh n coirp/kPa s ile neamhchaolaithe Poit inseal tuaslag iteach an tuaslag in sheachtraigh/kPa 2600 2200 1800 1400 1000 1000 1400 Port n faoilinne 1800 Port n glas 2200 2600 (b) An graf in s id, faigh an poit inseal tuaslag iteach a bh onn sna sreabh in choirp den d speiceas de phort n nuair a bh onn an s ile caolaithe go dt poit inseal tuaslag iteach de 1600 kPa. l Port n faoilinne _________________ _ l Port n glas ASB1S7 2340 __________________ 1 0 [2] [Turn over (c) D an cur s os agus tabhair m ni ar an ifeacht a bh onn ann ar an phoit inseal tuaslag iteach sna sreabh in choirp den phort n faoilinne nuair a chaola tear s ile. __________________________________________________________ _______________________________________________________ [2] (d) Nuair a chuirtear an port n glas i dtuaslag n caol de sh ile ions nn s salann tr na gheolbhaigh n tuaslag n m guaird. (i) Salann ions , cad an ifeacht a bh onn aige ar an phoit inseal tuaslag iteach sna sreabh in choirp? ______________________________________________________ ____________________________________________________ [1] (ii) Cad an fhianaise sa ghraf a chuireann in i l go n-ions nn an port n glas salann nuair a chuirtear i dtuaslag in chaola de sh ile ? ______________________________________________________ ____________________________________________________ [1] (e) N mhaireann ceachtar den d phort n seo nuair a chuirtear i s ile iontach caol iad. Maidir le cealla ainmh , cad a tharl idh ar deireadh d ibh nuair a chuirtear iad i dtuaslag in at n os caoile n a bhfuil sna cealla f in? __________________________________________________________ Athmharc __________________________________________________________ Marcanna __________________________________________________________ Scr daitheoir Amh in _______________________________________________________ [1] ASB1S7 2340 1 1 [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] Scr obh cuntas ar na gn thaimh a bh onn in s id i dteicneola ocht DNA athchuingreach (innealt ireacht gh initeach) ar a n- ir tear na gn ithe seo a leanas. l Leithlisi g ine _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ l Leithlisi g ine Veicteoir s id leis an gh in a ionchorpr isteach in stchill ASB1S7 2340 1 2 [10] [Turn over Scr daitheoir Amh in Marcanna _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ Athmharc _____________________________________________________________ Veicteoir s id leis an gh in a ionchorpr isteach in stchill _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ASB1S7 2340 1 [Turn over SEO DEIREADH AN SCR DPH IP IR ASB1S7 2340 1 4 [Turn over S 3/06 7-033-1 [Turn over Bitheola ocht TGO Ard-Fhotheastas (AS) Aonad Meas naithe AS 1 Mod l 1: Bitheola ocht na gCeall Samhradh 2007 Grianghraf 1.5 (Le h s id le Ceist 5) B A C D ASB1S7 2340 Foinse: George McCartney

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Additional Info : Gce Biology June 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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