Thiết kế bài giảng sinh học 11 nâng cao (tập 1) phần 1

TRAN KHANH PHUONG SINH HOC NANG CAO TAP MOT » ^ BAN HA NQI IRAN KHANH PHaONG THIET KE BAI GIANG f NANG CAO - TAP MOT NHAXUA'TBANHANQI Jlcfl not ddu ? ~ D^ lid tra cho vi$c day - hoc mon Sinh hoc 11 theo chifdng trinh sach giao Idioa (SGK) mdi ban hanh nam hpc 2007- 2008, ch ung toi vHi cudh Thii't ki'Mi giang Sinh hoc 11 nang cao (hai tip) Sach gidi thiiu each ihii't M'bai giang Sinh hoc 11 theo tinh thin dSi mdi phucfng phap day hoc nhkm phat huy tinh tich cttcnhSn thifc cua hoc sinh (HS) vi noi dung: Sach bam sat noi dung sach giao khoa Sinh hpc 11 theo chiTcfng trinh mdi gom 48 bat Ngoai sach co md rdng, bd sung them mdt s6'ndi dung liin quan din bai hpc bang nhiSu boat dong nham cung dp them titliiu dS cac thiy, cd giao tham khao vSn dung theo ddi tttdng HS timg dia phucfng Ni phirong phap day - h9c: Sach dixcfc triin khai theo hirdng tich cue hda hoat ddng cua HS, lay ccf s6 cua moi hoat ddng la nhOng viec lam cua }iS dttdi stthttdng din, gcfi m(^ cua thiy, cd giao Sach cung dwa nhiSu hinh thifc hoat ddng hap din, phu hpp vdi dac diem mdn hpc, dam bao tinh chSn thitc va khoa hoc giup cac em lihh hdiki^h thuv Sinh hpc mdt each cd chit litcfng tot nhit, nhd bai va hiSu bai tr€n Idp Sach cdn chi ro hoat ddng cu the cua giao vi^n (GV) va HS mdt tiih trinh day- hpc, coi day ia hai hoat ddng cung nhau, ca GV va HS diu la ch u thd Gil ling tdi hi vpng cudh sach se la tai lieu giiip cac thiy, cd giao day mdn Sinh hpc 11 qua bai giang cua minh Bong thdi rit mong nh$n ddng gdp cua cac thiy, cd giao va ban dpc gin xa cang hoan thien han tham khao him ich viSc ning cao hi$u duac nhOngy kiih di cudh sach TAC GIA Phan bon SINH HOC Cd THE Chiioing I CHUYEN HOA VAX C H X T V A N A N G LUONG • A - CHUYEN HOA VAT CHXT vA NANG LUCJNG a THIJC VAT Bai IRAQ eOl Nl/6C THlJC VAT I MUC TIEU Kien thurc - Mo ta ducfc qua trinh hap thU nirdrc d rt va qua trinh vSn chuydn nu6c cf than - Trinh bay ducfc moi lien quan gifla ca'u true cua long hiit m^i lien quan vdi qua trinh hap thu nu6c - Giai thich ducfc cac duomg vfin chuyen nu6c tii I6ng hut vao mach g6 ciia rS, tijf mach g6 cua r6 len mach g6 ciia than, la - Tha'y ro tinh thong nha't giiJa ca'u true va chiic nang cac co quan cua thuc vat KTnang Ren m6t so ki nang: - Thu nhan kien thiic tii kenh chO, kenh hinh - Khai quat kien thu"c - Suy doan logic - van dung ki6'n thiic giai thich thuc te II THIET Bj DAY ~ HOC - Tranh hinh SGK phong to - Sach: Sinh Ii hoc thuc vat cua tac gia Vu Van Vu - Thi nghifem hien tuong ri nhua va hien tuong u: giot la., - Tranh cam hinh 1.2 trang SGK - Thong tin b6 sung: Cac trang thai t6n tai ciia nu6c dSit Nude da't CO dang chinh la nude lien k6t va nudrc tu * Nude lien ket gom: - Nude lien ket chat: la nude bam tr6n b^ mat cac hat keo cua dat va nude ngam long cac hat keo Dang nude cay hoan toan kh6ng sir dung duoc - Nude mang: bao quanh cac hat keo bi gifl bang nhiJng luc tuofng doi yeu hcfn n6n cay cd the hut ducrc nhung kho khan * Dang nude tu gom: - Nude luc: La dang nude nam cac khe tuong doi rong giGa cac hat da't Dang nude di chuyin nhanh chdng theo chieu tiJf tren xuong, thudng cd nhi^u da't luc mua hay tudi ^m, duac cay hiit dt dang nhung d l rut khoi tdng da't canh tac xudng sau , - Nude mao dan chira cac mao quan kha hep giita cac hat dSt cd vai tro chii yeu va duoc cay hap thu di dang Dang nude cd thi di chuyen theo nhieu hudng, ki ca theo chilu tur dudi len tren III HOAT DONG DAY - HOC Kiem tra Trong tam Qua trinh hap thu nude va van chuyen nude Bai mdi Mtf bai: GV dat vSii de: Nude ed vai tro nhu the nao ddi vdi thuc vat? Qua trinh trao doi nude ciia thuc vat vdi mdi trudng diln nhu the nao? - Dua vao y kie'n cua HS,-^ GV dan dat vao bai Hoqt dong I: Tim hieu vai tro cua nude va nhu c^u cua nude ddi vdi thUc vAt Muc tieu: - HS chi duoc cac dang nude cay va vai tro cua no ddi vdi cay - HS neu dugc vai tro cua nude ddi vdi cay - Litn he v^ viec cung c^p nude cho cay Hoqt dong cua GV Hoqt dong cua HS Ndi dung -GVneu y^u chi + Hay n6u vai tro chung - HS van dung ki^n thiJc Cac dang nude va vai tro cua nude sinh hoc Idp 10 cua nude ddi vdi thuc vat? + Hoan bang - kie'n - Nghien cuu thfing tin thiJc ve cac dang nude trang 6, SGK cay ~ Lua chon kid'n thiic de hoan bang kie'n thiic -> Dai dien mdt vai HS trinh bky -> Ldp nhan xet va bd sung - GV nhan xet danh gia va " HS theo doi va bd sung - Nude cay dang chinh la: kie'n thirc thdng bao dap an + Nude tu CO + Nude lien ke't ^\ Dang \ ^ nifdc Nirdc tu Nu6c lien ket - La dang nU6c chCra cac th^nh phan cCia te bao, khoang gian bao, mach dlin - Khong bj hut bdi cac phan tCr tich dien hay dang li§n ket hoa hpc - GiCr duac tinh chat vat ly, hoa hoc, sinh hoc binh thudng - La dang nudc bj cac phSn t^ tich di§n hut bdi m6t lUc nhat ^nh hoac cac lien ket hoa hoc cac phan t§' bao Noi \ ^ dung \^ Dac diem - Khdng giCr duoc cac dSc tfnh vat ly, hoa hpc, sinh hoc cCia nude Vai tro - Lam dung moi - Dam bao ben vijfng cCia he - Lam giam nhiet cOa cd the thdng keo chat nuyen sinh thoat hoi nude, tham gia vao mot sd cfla te bao qua trinh trao ddi chat, dam bao nhdt cOa chgt nguyen sinh - Giup qua trinh trao dpi chat djen binh thudng Hoqt ddng cua GV Hoqt dong cua HS Npi dung Nhu cau nudc ddi vdi thuc vat - GV neu vi du: + cay ngd cdn 200 kg nudc ddi sd'ng + hecta ngO cin 8000 t^n nudc + cay can tft 200 - 800 gam nudc de tdng hcfp gam chait khd - GV hoi: Em cd nhan xet gi \i nhu cdu nudc ciia - HS theo doi vi du va dua cay? nhan xet + cay cdn nhi^u nudc + Nhung thuoc vao nhi^u yeu td - GV nhan xet, danh gia va - HS khai quat kieh thlic bd sung kien thiJc - Nhu ciu nude cua cay rdt Idn - Nhu ciu nudc phu thuOc vao cac dac di^m sinh thai cua thuc vat - Nhu cdu nudc phu thuPc vao cdc loai cay khac nhau, nhom cay khac Hoqt ddng cda GV Ndi dung Hoqt dpng cua HS d) Chpn gid'ng cdy trdng cd thdi gian sinh truong viia phdi hoac trdng vdo thai vu thich hpp de cdy svc dung duac tdi da anh sdng mat trdi cho quang hop Hoqt dpng 3: Tim hieu trien vong nang suat cay Muc tieu: HS chi dugc trien vpng nang suat eay trdng d Viet Nam va the' gidi tren CO sd da cd hieu bie't vd nang sua't cay trdng Hoat ddng cua GV Hoat dpng cua HS Ndi dung - GV neu va'n dd: + Tridn vpng vd nang suat - HS nghien ciiu SGK Uang cay dugc the hien nhu 44 va muc "Em cd biet" th^nao? trang 45 + Lien he vdi thuc tidn san - Thao luan dua Uen Id^n suai d Viet Nam viec thiic d hoat dpng 1,2 kgt tang nang suat cay trdng? hgp vdi nhihig hidu biet thuc te dd tra Idi: •• • ; " • • • , + Tao mdi trudng nhan tao dd cay trdng phat tridn + Ap dung ti^n bd khoa hpc - GV nhan xet danh gia + So sanh nang suat vdi vdi viec sir dung nang lugng anh sang thuc te' va li thuyet, chenh lech tir 75 ->200 ta/ha Dai dien nhdm trinh bay —i^ ldp nhan xet - GV cd thd khuyen khich HS dd xuai y tudng hay e-SlNHHOC11/1(NC) 113 Hoqt ddng cua GV Hoat ddng cua HS Ndi dung chpn lua mpt nghd nghiep nao tucfng lai dd gdp ph^n dua nang sua't cay - HS cd thd neu y tudng trdng len eao -> thay ddi + xay dung khu lien hiep chat lupng cupe sdng udng cay +Cung cap cac didu kien tdt nhai eho cay trdng + Tao m6i trudng khdng cd - Tridn vpng nang su^t cay sau benh udng la vd cung to Idn - Ap dung cae bien phap khoa hpc dd chpn, lai tao gidng mdi - GV bd sung kien thiic: + Trong thuc te san xuSt ngudi ta da nghien ciiu dd tao nhung he quang hop cho nang suat rat eao, nhu he quang hpp tao, he quang hgp tdi uu ciia thuc vat bac cao Uong didu kipn hau nhan tao + Viec phat hien cac nhdm thuc vat vdi dudng cacbon quang hgp khae (C3,C4, CAM ) da dly manh hudng nghien cihi quang hgp gidng eay trdng: gay dpt bie'n, lai tao dd tao nhiing gidng cay 114 - HPan thien cac bien phap ki thuat canh tac tien tien dd ap dung vao san xutft Hoqt ddng cua GV Hoqt dpng cua HS Ndi dung trdng ed cudng dp va hieu suai quang hgp cao + Nghien ciiu lai thue vat Qy vdi C4 hay Uc ch^ qua trinh he ha'p anh sang d thuc vat C3 de tang hieu suat quang hgp cua nd * Cung co' Quang hpp vdi nang suat cay udng md mdt tridn vpng mdi vdi tuu cua khoa hpc di truydn, chpn gidng * Ket luan chung - HS dpc kei luan SGK trang 44 IV KIEM TRA OANH GIA - Yeu ciu HS tra Idi cau hdi 1,2 SGK trang 44 - GV cho HS tra Idi cau hdi trac nghipm Vai trd nao cua nito ddi vdi quang hgp la quan trpng nhat: a) Tang diep lue b) Tang dien tich la c) Thanh phan enzim d) Quan diem khac Nang sua't kinh te' quye't dinh chii ye'u do: a) Quang hgp c) Van chuydn tich luy b) Dinh dudng khoang d) Che' dp nudc Bien phap ki thuat hieu qua nhat dd tang dipn tich la: a) Mat dp b) Phan bdn c) Tudi nudc d) Trii sau bdnh 115 Bai 11 HO HAP O THirc VAT I MUC TIEU Kien thiirc - Trinh bay dugc vai trd cua qua trinh ho ha'p - Giai thich va minh hoa bang cdng thiic hoac so dd qua trinh dudng phan, qua trinh ho ha'p ki (len men), ho hap hie'u - Tinh dugc hp sd hd hap va neu duge y nghia ciia nd - Mo ta dugc qua trinh ho hap anh sang bang so KT nang Ren mpt sd kT nang: - Quan sat phan tich so sanh - Gan ket kie'n thiic cac bp mon - Tdng hgp, tu logic - So dd hoa kie'n thiic II THIET B! D A Y - H O C - Tranh hinh SGK, hinh 11.1 sach GV phdng to - Thdng tin bd sung: + Vd thuc chat ho ha'p la mpt he thdng oxi hoa-khii phiic tap, dd didn cae phan ling dxi hoa-khir tach dipn tii va hidro tii nguyen lipu ho hap chuyen tdi oxi khdng va tao nudc Nang lugng giai phdng cac phan ling dxi hoa-khir dd dugc cd dinh lai cac mdi lien ke't giau nang lugng + Trong qua trinh quang hgp, cac chat huu ca dugc tao thanh, nhiing cha't la ngudn vat cha't va ngudn nang lugng co ban cho su sdng ciia tat ea the' gidi hiiu eo Tuy nhien, ngudn nguyen lieu va nang lugng dd ehi la ngudn du trG va khdng dae trung, t€ bao khdng thd sd dung true tie'p nang lugng cho hoat dpng sdng Chi thong qua qua trinh hd hap cac chat hiiu eO dugc tao quang hgp mdi dugc phan giai de'n tan ciing va nang lugng chiia dung chiing mdi dugc bien ddi dang nang lugng hoat hoa, de huy dpng, dugc td bao sir dung eho t^t ca cac qua trinh trao ddi chat 116 + Nhu vay cd the ndi rang chiic nang co ban cua hd hap la giai phdng nang lugng cua nguyen lipu hd h^p va chuydn nd dang dd sir dung cho co the, the hien d su tdng hgp ATP + Tuy nhien y nghia sinh hpc ciia hd hap khdng chi bd hep d mat nang lugng Nhung nghien ciiu chi tiei vd ban chat sinh hoa va nhirng co che' enzim hpc lien quan vdi qua trinh hd hap da khang dinh vai trd to Idn ciia nhiing san ph^m trung gian xua't hipn tren dudng chuyen hoa cua phan tii chat hihi CO tdi cac san phim dxi hoa cud'i ciing la CO2 va H2O Nhiing chai lai la chai tidn than, nhihig chat trao ddi nhidu khau cua qua trinh trao ddi chat chung cua te' bao + Hd hap lien quan vdi hien tugng: Hipn tugng li hoc dd la su trao ddi khi, hap thu O2 thai COj va hipn tugng hoa hoc dd la su dxi hoa hoan toan chai hihi CO Phie'u hoc tap TIM HI^U HO HAP Giai doan Giai doan Giai doan San pham N3ng lupng III HOAT DONG DAY - HOC Kiem tra bai cu - Vi ndi quang hgp la qua trinh co ban quye't dinh nang suat cay trdng? - Neu cac bien phap nang cao nang sua't cay trdng? Trong tam Vai trd hd hap va co che' ho hap Bai m6i Mdf bai: - GV cho HS quan sat so dd cam vd hd hap va hdi: sa dd bidu thi qua trinh sinh li nao d thuc vat? - Dua vao y kie'n ciia HS -^ GV dan dat vao bai 117 Hoqt dpng 1: Tim hieu hd hap d thuc vM Muc tieu: - HS neu duge khai niem hd ha'p - Vie't va phan tich dugc phuong trinh hd hap - HS hidu va trinh bay dugc vai ^d eua ho ha'p Hoqt dpng cua GV Hoat dpng cua HS - GV yeu cin: Ndi dung Khai niem + Dua vao kie'n thiic sinh hpc 10 va so dd ho hap cho - HS tu ddc lap biet: - Nhd lai kie'n thiic sinh ~ Hd ha'p la gi? hpc 10 va yeu cau: -Viet phuong trinh tdng + Neu dupe khai niem hO quat ki^n thiic hP ha'p hap + Viet phuong trinh d^y du qua Uinh hd ha'p - GV nha'n manh d phuang uinh hd hap: + Day la phuang trinh hd hap cua nhdm Cacbdhidrat va la dai dipn cho hd hap d thuc vat + Nang lugng Q bao gdm nang lugng thu dupe dudi dang ATP va nang lupng khong thu dupe mai di dudi - HS cd thd nhan bi^t la d dang nhiet phuang Uinh ho ha'p thi 118 - HP hap la qua trinh Oxi hoa cac hgp chat hiiu cu CO2 va nudc, ddng thdi giai phdng nang lugng can thiet cho eac hoat dpng sdng cua co thd - Phuang uinh hd hap: QHijOfi + O2 -> 6CO2 + 6H2O + Q (nang lugng) • Hoqt dpng cua GV - GV bd sung kieh thiic: A^di dung Hoqt dpng cua HS lugng CO2 thai bang lugng O2 hut vao + Cac chat hiiu co khac nhu chai beo, axit amin lugng CO2 thai it hon lugng O2 la'y vao + Bidu hien dd nhan thay - HS cd thd neu hien cua ho hap la su toa nhiet va tugng: sd tay vao ddng thai hoi nude hat dd dang mam tha'y ain ~ GV dat va'n dd dd HS thao luan; + N^u khPng cd qua trinh he hap Uong cd thd sdng ndi chung va thuc vat ndi rieng thi dieu gi se xay ra? 2, Vai tro cua qua trinh - HS hoat dpng nhdm hdhap + Ca nhan van dung kie'n thiic sinh hpc d cac ldp trude + Tim mdi lien quan giita hd hap va quang hgp, qua trinh ddng hoa va di hoa + Thao luan: Yeu cau neu dugc • Ho ha'p ngoai lay O2 dd ti^n hanh hd hap ndi bao • Nhd quang hop ma cay xanh tdng hgp dugc chat hthi CO, chda nhidu nang lugng • Nang lugng chiia cac chat hiiu ca qua Idn co thd kheng sii dung dugc • Qua trinh hP hap thuc 119 Hoqt dpng cua GV Hoqt ddng cua HS Ndi dung chit la dxi hoa cae hgp chai hihi ca, nang lupng dugc giai phdng timg ph^n, te' bao sir dung de dang - GV nhan xet, danh gia Neil khong co qua uinh hd hoat ddng nhdm va bd sung hap, thuc vlu va cdc sinh kie'n thlie vat se chet - Trong qua trinh tie'n hoa, sinh vat da hoan thipn co quan hd hap va chiic nang ho hap de thich nghi vdi mdi trudng - GV hoi: + HP hap cd vai trd nhu th^ - HS nghien ciiu SGK muc trang 46, ket hgp vdi nao? kie'n thlie, thao luan dua cac vai Ud chinh cua hd hap - Dai dien HS trinh bay Ket luan: ldp nhan xet bd sung - Hd hap la qua trinh sinh li trung tam cua eay xanh, cd vai trd dae biet quan trpng cac qua trinh trao ddi chai va chuydn hoa nang lugng - Thdng qua qua trinh he hap, nang lugng hoa hpc dudi dang ATP dupe giai phdng tCr cac hpp chat hiiu ca, nang lugng ATP dugc sir dung cho cae qua uinh sdng cua ca thd (trao ddi cha't, hap thu van 120 Hoqt dpng cua GV Hoqt ddng cua HS Npi dung chuydn chu ddng) - Nhd qua trinh hd hap nhidu san pham trung gian duge hinh thanh, cac san ph^m la dau mdi cua cac qua trinh tdng hpp nhidu chai khac Uong co thd Hd ha'p dugc xem nhu qua trinh tdng hgp ea vd * Lien he: - Trong san xuat cin ap - HS van dung cac ki^n nang lugng lan vat chat dung bien phap ki thuat nao th^c lien quan de'n bai dd dd rd cay hO hap dupe tdt tra Idi nhat? + Bien phap ki thuat tang + Bao quan cu, qua, hat nhu lugng O2 cho dai dd rd hO the' nao dd khdng bi giam hap la: eay sau, biia kl, sue chat lugng san pham? bun, phai dat, chdng ling cho cay + Bao quan hoa qua, cu can nhiet dp, tang CO2, giam dp am Hoqt dpng 2: Tim hieu co che hd hap Muc tieu: HS hieu va minh hoa bang cong thiic, so dd hoa cac giai doan ciia ho ha'p Hoqt ddng cua GV Hoqt dpng cua HS - Dd tim hidu co ehe hd - Cac nhdm van dung ha'p, GV yeu c^u HS hoan kiein thiic sinh hoc ldp 10 cac npi dung phitfu hoan phie'u hpc tap hpc tap "Tim hidu ho hap" d muc thdng tin bd sung Ndi dung - - GV chQa bai va thOng - HS quan sat tranh kei bao dap an ddng 121 Hoqt dpng cua GV Hoqt dpng cua HS Npi dung - GV cho HS quan sit hinh hgp vdi kie'n thiic sinh 11.1 SGK trang 47 va hinh hpc ldp 10 -> chi dupe: 11.1 sach GV uang 68 yeu + Vai Ud ciia enzim cau: + Qua trinh 6xi hoa (tach + Phan tich cac giai doan hidrP), phan ling khir CO2 cua he hap + Hoat dpng h6 hap + San ph^m va nang lugng cd O2 va thie'u O2 tao tir cac giai doan + Tdng sd ATP duge tao tii phan tir glued * Ke't luan: - GV nhan xet danh gia va - HS trinh bay y ki^n Hd hap thuc vat gdm giai giup HS hoan thien kie'n tren tranh hinh —)• doan: ldp nhan xet bd sung thiic a) Giai doqn 1: Dudng phdn (gpi la pha ye'm khi, giai doan d mpi sinh vat ddu gidng nhau) - Glucdza Nbegaylifenka ^ phan tiir dudng 3C - Hgp chat 3C \ oxi hoa (tach HT) i ^^ _ , , phan enzim, NAD tir axit phuvie + ATP + NADH b) Giai doqn 2: (hd hdp hieu hoac ki ki) * Neil cd O2 -> hd hap hidu theo chu trinh Crdp: -CH,COCOOH ^'^'^"^ > AxetylCOA-» tachH2 crep ^ CO2 + H2O + A T P + NADH, FADH, 122 Hoqt dpng cua GV Hoqt dpng cua HS Npi dung (N^u khdng ed CO2: phan giai bi khQ CH COCOOH '®" "*^^ i elilfc Rugu etilic + H2O + Q - CH COCOOH '^""'®" etillc Axit lactic + Q - GV bd sung kie'n thiic: Dien tir van chuydn nhd cd cac chai dan dudng, cac chat sap xep cd trat tu tren mang cua ti the lam cau cho dien tir trugt qua NAD-> FMN -> PQ c) Giai doqn 3: Chudi chuyen diin td vd phdtphorin hod * Chudi chuydn dipn tir - Dien tir dugc chuyen van tir NADH2 de'n O2 khong nhd chudi hP ha'p dd tao nen 0^" rdi ke't hgp vdi 2H* tao nen H2O FAD -^ Xytb -> Xyte -^ Xyta ^ Xyta3 ^ O2 -> 1/2 0^" - GV bd sung: chudi chuydn dien tir va photphorin hoa die'n song song: + Trong trudng hgp binh thudng chung lien ket chat che gpi la he hap hihi hipu + Trudng hop khOng binh thudng thi qua truih bi tach gpi la hd hap vP * Photphorin hoa Oxi hoa - Dien tii di qua chudi h6 hap thi toa nang lugng - Nang lugng lap tiic dugc lien ket vao lien ket cao nang phdt phat (-P) ciia ATP nhd phan ling photphorin hoa ADP H PO r\L^± t XX^LKJ^ 7-10kcal ^^ ATP hieu * HS lien he: vd viec - Lien he: san xuai chdng han, ndng va sau 123 Hoqt ddng cua GV dn Hoqt dpng cua HS uanh hP hap v6 hieu Ndi dung benh cho eay xudng miie tdi thieu Hoqt dpng 3: He sd hd ha'p (RQ) Muc tieu: - HS nam dugc khai niem he sd hd hap - Hieu dugc y nghia cua he sd hd hap lien quan de'n v^n de cham sdc cay trdng Hoqt dpng cua GV Npi dung Hoqt ddng cua HS - GV neu cau hoi + He sd hd hap la gi? Cho - HS nghien ciiu SGK uang vi du? 48 tra Idi duge: + He sd ho hap ndi len + Khai niem didu gi? + Cach tinh RQ + Y nghia thuc tidn cua viec biei RQ - Dai dien HS trinh bay, ldp nhan xet bd sung va khai quat kieh thiic * Khdi niem: He sd hd hap la ti sd giQa sd phan tir CO; thai va sd phan tir O2 la'y vao hO hap Vi du: QHijOfi + 6O2 —^ 6CO2 + 6H2O RQ = 6C02/602=1 - HS tinh RQ cua mpt so chai khac nhu: RQ ghxerin = 6/7 124 -> RQ cua cacbohidrat bang nhdm Hoat ddng cua GV Hoqt ddng cua HS Npi dung - GV yeu cau HS tu lien RQ axit oxalio = 4/0 he thue t^ dd de bien HS thao luan nhanh * y nghia eua he sd hd hap phap cu thd cham sdc cay nhdm va neu duge: - RQ cho bie^t nguyen lipu trdng - Neu RQ cacbohidrat > dang h6 hap la nhdm chat thi cay dang thie'u Oj gi- can xdi dat kip thdi hay - Tii RQ cd the danh gia chdng ndng cho cay tinh trang hd ha'p cua cay - Tang cudng bdn phan huu - Biei RQ dd quyet dinh CO cai tao dat bien phap kl thuat bao quan nPng san va cham sdc cay trdng Hoqt dpng 4: Ho hS'p sang Muc tieu: - HS nam dugc khai nipm hd hap sang - Md ta dugc qua trinh hd ha'p sang bang so dd Hoat ddng cua GV Hoqt dpng cua HS Npi dung - GV cho HS quan sat so - HS quan sat so dd dd cam hinh 11.2 va yeu - van dung kie'n thiic sinh cin: hpc d ldp dudi + Cho biei ngudn gdc - Yeu eau phan tich dupe: nguyen lieu cua he ha'p anh + Nguyen lieu ciia hd hap sang? anh sang cd ngudn gdc tii + Cho biet he ha'p anh sang qua trinh dxi hoa RiDP xay d bao quan nao va lue lap loai thue vat nao? + H6 hap anh sang xay d eac bao quan luc lap, ti thd cua thue vat C3 - GV neu cau hoi: + HO ha'p anh sang la gi? - HS dua vao so va kie'n thlie SGK trang 48, 49 dd tra Idi 125 Hoqt dpng cua GV Hoqt dpng cua HS + HO hip anh sang cd dae diem gi? Npi dung * Khdi niem: HO ha'p anh sang la qua trinh ho hap xay d ngoai anh sang * Dac diem cua hd hdp anh sdng: ~ KhOng tao hang lugng ATP - Tieu ton 30 - 50% san pham quang hop Hoqt dpng 5: Tim hieu mdi quan hegiura quang hgp va hd hap ca the Muc tieu: - HS tha'y dugc mdi quan he giiia quang hgp va ho hap ve va'n dd trao ddi va trao ddi nang lugng - Lien, he thuc tidn Hoqt dpng cua GV Hoqt dpng cua HS Ndi dung - GV yeu cau HS quan sat hinh 11.3 va giai thich mdi - HS nghien ciiu so dd quan he giiia quang hgp va - Van dung kie'n thiic vd ho ha'p quang hpp va hO hap dd tra Idi: + Hai qua Uinh trai ngugc + Hai qua trinh gan bd lien quan chat che vdi - GV bd sung kieii thiic + De quan thd cd nang suat cao cin nang cao hoat dpng quang hgp tao chat hiiu co 126 - HS khai quat kie'n thiic - Quang hgp tdng hgp chai huu CO va tich luy nang lugng - Nhd qua trinh hd hap nang luong tich Iny Hoqt dpng cua GV Hoqt dpng cua HS va giam hO hap vO hieu * Cung cd: thay ro dugc vai tro cua qua trinh hd hap, cac giai doan chinh qua Uinh ho hap Tflr nhiing hidu biei ve he sd hO hap, ho hap anh sang dd cd bien phap ki thuat nham tang nang suai cay trdng Npi dung cac hgp chat hiiu co duge giai phdng, cung ca'p cho cac hoat dpng cua co the - Quang hgp la qua Uinh ha'p thu CO;, thai O2 Cdn hd hap lai thai CO2 hap thu O2 * Kei: luan chung: HS dpc k a luan SGK Uang 50 IV KIEM TRA DANH GIA - GV cho HS lam bai tap trie nghipm Vai trd quan trpng nhat cua ho hap ddi vdi cay la: a) Cung cap nang lugng chdng chiu b) Tang kha nang chdng chiu e) Tao cac san pham trung gian d) Midn dich cho cay Qua trinh dxi hoa cha't hiiu ca ho ha'p xay d dau? a) Te' bao cha't b) Mang c) Khoang ti thd d) Quan diem khac Su tdng hgp ATP chu ye'u xay d dau? a) Te' bao chat b) Mang ngoai c) Mang d) Khoang ti thd Trong qua trinh ho hap ne'u he sd hd hap > hoac < thi ban thd hd hap khdng phai la: a) Cacbohidrat b) Lipit c) Prdtein d) KhOng xac dinh dugc ban the V DAN DO - Hoc bai tra Idi cau hdi SGK trang 50 - Tim hidu va'n de bao quan ndng san 127 [...]... bao, thanh te bao nhu mC vo, td bao n6i bi -> mach gd song ddng nudc dugc hut theo 1 chieu 1 11 Hoqt ddng cua GV Hoqt ddng cua HS Ndi dung + Nudc van chuyen tii ncri + Lugng nudc chenh lech the nudc cao d^n noi th^ gitia 2 t6 bao g^n nhau theo nudc thap hudng tiJf re vao mach gd - GV dat vail di: Chung ta biet nudc dugc hut 1 chieu tir dat vao long hiit cua rd, vay nudc dugc chuyen tir ri vao than nhu... Van dung ly thuyet dd giai thich hien tugng thuc te' - Hoat ddng nhdm II.THlfTB!DAY-HOC - Tranh hinh SGK phdng to - Md hinh mo ta ddng md 16 khi - Thdng tin bd sung SGV - So dd minh hoa ca chd ddng md khi khdng (Tham khdo sdch Sinh ly thuc vat trang 58) 2.SINHHpC1 ,1/ 1(NC) 4y Thong tin bo sung: Su didu hoa thoat hoi nudc theo co chd ngoai khi khong: - Qua trinh thoat hcfi nudc phu thuoc vao su ddng md... ion di vao rd nhd hiit bam tren cac gdc mang dien trai da'u NH4'' tren thanh xenluloza, mang cha't nguyen sinh va nhd viec diy ra ngoai m6t lugng tuang duong cac ion cilng da^u da bam tren dd 31 - So dd trao ddi ion giiia rd va dung dich da't, keo d^t (Tham khdo hinh 62 sdch Sinh li thuc vat trang 11 6 ) - Thuye't chat mang: Giai thich ca che hiit chu dong cac nguyen to khoang cd lien quan true tie'p ddn... mang: sdch Sinh li thUc vat trang 11 8 ) III HOAT DONG DAY - HOC 1 Kiem tra - Y nghia ciia qua trinh thoat hai nudc qua la? - Su thoat hoi nudc d la thuc hifn nhd con dudng nao? - Khi khong cd ca'u tnic lieri quan tdi phan ling ddng md cua nude nhu the nao? 2 Trong tam - Cac nguyen td khoang dugc rd hap thu tii da't nhu the' nao? - Vai trd ciia cac nguydn td khoang? 32 3 Bai mdi Hoqt dong 1: Tim hidu... dung kie'n thiic d than chuydn nudc d than c6 dac hoat ddng 1, 2 va thong tin didm gi? SGK muc 1 trang 9 dd tra - Nudc va cac ch^t khoang hoa tan trong nudc dugc Idi van chuydn theo 1 chidu tii rd -^ than -> la 13 Hoqt ddng cua GV Hoqt ddng cua HS Ndi dung 2 Con dudng van chuyen nudc d than - GV yeu cau HS quan sat - HS theo doi hinh chii y hinh 1. 5 va mP ta con chidu mui ten chi dudng di dudng van chuydn... cdn lai bidn thanh nhiet nang lam la ndng len nhanh + 1 g nudc thoat ra lam mat 1 lugng nhiet la 2,3 KJ + Thoat hcd nudc lam cho cac dung dich chSt huu ca do la quang hgp cd dac hon - HS van dung kidn thiic 2 Con dudng thoat hoi nudc a la + Su thoat hoi nudc d la sinh hpc ldp 6 dugc thuc hien nhd con - Nghien cihi thOng tin dudng nao? SGK trang 13 muc 2 tra Idi - GV neu cau hoi: 20 Hoqt ddng cua GV... - GV yeu cau HS tdm tat kien thiic ca ban cua bai hoac dpc kdt luan trang 1L - GV cho HS lam bai tap trac nghiem: chpn cau tra Idi diing 1 Td' bao Idng hiit ed e^u tao va sinh li phu hgp vdi ehdc nang nhan nudc tir dat VI: a) Thanh te bao mong, khdng tham cutin b) Chi cd mdt khdng bao trung tam Idn c) Ap suat thdm tha'u rSt cao do hoat dong h6 hap manh ciia rd d) Ca a, b, c 2 cay hap thu nude qua he... niem thoat hcfi nudc d la * Thoat hai nudc la su ma't nudc tir bd mat la qua he thdng khi khdng la chii yeu, va 1 phdn tir than, canh - GV dan dat: E)d tim hidu - HS theo doi so dd va 1 Y nghia cua stf thoat y nghia cua su thoat hcri th6ng tin SGK muc 1 trang hofi nudc nudc em hay tra Idi cau 12 hoi: - Thao luan nhanh trong + Lugng nudc do rd hiit vao nhdm dugc cay sir dung nhu the - Yeu cdu neu dugc:... SGK trang 17 + Ca nhan ghi nhd kien thirc + Trao ddi nhdm + Hoan thanh cac npi dung phidu hpc tap - GV chQa bai bang each - Dai dien nhom trinh bay chidu phidu hpc tap cua dap an m6t sd nhom - GV nhan xet danh gia - GV thdng bao dap an diing 3-SINHHpC1in(NC) - Ldp nhan xet bd sung - HS theo doi va tu sira chifa phie'u hoc tap 33 DAP AN PHIEU HOC TAP Tien hanh Hien tUdng Giai thich - Dung 1 cay nho... The nudc giam d&n tir rd vao mach gd 3 Ca chfe' de dong nudc 1 chieu tiir da't vao re len than * Thi nghiem 1: Hien tugng ri nhua: GV gidi thieu thi nghiem va hoi: + Mdc thuy ngan tang len do yeu td' nao? + Nhua ri ra tir ch6 than cay - HS theo doi thi nghiem bi cat chiing to dieu gi? - Thao luan nhanh, neu dugc: + Miic thuy ngan tang do cd 1 luc day tir phia rd cay + Nhua ri ra tiJr chd than cay bi ... ki'Mi giang Sinh hoc 11 nang cao (hai tip) Sach gidi thiiu each ihii't M'bai giang Sinh hoc 11 theo tinh thin dSi mdi phucfng phap day hoc nhkm phat huy tinh tich cttcnhSn thifc cua hoc sinh (HS)... SGK phdng to - Md hinh mo ta ddng md 16 - Thdng tin bd sung SGV - So dd minh hoa ca chd ddng md khdng (Tham khdo sdch Sinh ly thuc vat trang 58) 2.SINHHpC1 ,1/ 1(NC) 4y Thong tin bo sung: Su didu... thiy, cd giao day mdn Sinh hpc 11 qua bai giang cua minh Bong thdi rit mong nh$n ddng gdp cua cac thiy, cd giao va ban dpc gin xa cang hoan thien han tham khao him ich viSc ning cao hi$u duac nhOngy