PraticeExam1_Key - _ 1 . 7 7.7V rv-/.,.-.,u-r unuuvrvall 1...

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Unformatted text preview: _ 1 . 7 7.7V rv-/.,.-.,u-r unuuvrvall 1 .ich of the following is not part of a phloem tissue? a Tracheids B. Sieve cell C. Sieve tube element D. Companion cell E. Sclerenchyma cell 2. The orientation of cellulose microfibrils in the plant cell walls is determined by A. The pattern of the actin cytoskeleton below the plasma membrane. B. The organization of the cellulose synthesizing complexes at the plasma membrane. The orientation of the cortical microtubule arrays below the plasma membrane. . The pattern of 11' gnification. E. The orientation of the deposited matrix carbohydrates. 3. A synthetic tree created by two Cornell scientists is the first ever laboratory experiment that supports which of the following theories: A. pressure-flow theory B. translocation theory . bulk-flow theory é cohesion-tension theory E. capillary theory 4. Root hair and guard cell are two forms of A. sclerenchyma. epidermal tissue. . parenchyma. D. xylem cells E. lateral meristem 5. Which of the following statements about pectins is NOT true? A. They are synthesized in the Golgi body and secreted in vesicles. They can only be solubilized by use of a strong alkali (24M NaOH). C. They often contain acidic sugars. D. They are the gel—forming components of the cell wall. E. They are capable of binding Caz’“ um.m1.;_;_.13. win“. i.‘{LLL.3 LEE: W 01' water mvmt‘f' A. Carts: €35me h; D Periqcie E. Steie '-' hid: of the {011015 ing is NOT mm for argu- m? A- Target is the same as the pmiti've hydrostatic mire. B. Tau-go: pressure is the dzifing fame for cell expansion. C. Cell lava-H is essential far plan: cell to build mrgm' pressure. D. 1-ng 1252551113 is far mkaniml of nou—fi-gnifi'ai plant tissues. Turgor pressure is essential for water movement in the xylem 8. AMI:th thebc'emstequafionfihich gives enema} ion W115 and the cell's cleamical pmential at passive the expected cytosoljc comm ofo* is 1340 yam: actual Wan is 0:12}; 3 IBM. Given the fact that the extanal [Mgz‘] is $25 IBM, these Imam indicate that: A. uptake is passive, Mg?" must be actively pumped into plant cells. @ Mg” is activeiy pumped out {If plant cells. . Mg” difhlses passively out of plant cells. E. Both 8 and D are comm. 9. Whichcffllefallowing Wtabmfiphmsmamismcom A. Fiasmodesmaisformeddmingcytokinesis. B. fiasmdesnmiscrificalfmcefluiarmnmmficafim. Exhpiasnmdcmccntainsamwmbuleoffikcafledadcsmumbahthmis critical for of solutes. D. fiasnwdesmaisaspecialfcafizreofplanicefls. E. Thesizeemtusionlimitofplasmodesmaiacanberegulatedtocnableflle mmtofbigmolecules. 10.Which ofthe-follawing WesiSROTtmeforwater’? A. Wmisapolarmobcule. ‘ B. " C. Watermalfightuwihmm - ' ‘ Wm_measiiymmeeeflmmhmeofthcgpidamflocflsimoflnam ' - H. f‘ifiingfilunksflflqumfimsfipoinmeach} “~41. i. A pump inmlx’ed in m‘ondan‘ Iranspmt uses .9 r L“ r as Elm energy" sauce for transporting molecules. ;» " G . . J j rim 1' IJ . In addition to fertilizers. J; 4'.- 3r- IN I ' - --~ I azflxeevaporativemnfacesofleaves (cell “3315 Of mesophyll cells inside the leaf air space) generates the physical forces thaI pull mixer through the plan: Yes-axle: sysxem- I . 4. i ()1 is critical forthe extremely high mechanical Strength of " eel} walls of highef plants. J '5. ‘ their efieiency ofmineml uptake by fm‘nfing (um ‘ v with ' f - f 6. ‘ -’ ; H'pumpisamultipmteinmplex composed of the catalfiie V': cofilplex and the. 1-7.; Wink-am channel complex. 7. Inmesymplasticpathw ’.water 1215 themcortexbypessingmleceflto flBIEIIViflIhE piggmpgégzggfz . 8. Whiktheaiialmexifiemsmerespmsibkfmflleehngmimofmmmfir p9,: (— gag isresponsiblefmfliefmnmionoflmaalm. syndnsizedbyhge,mtbedprmemcomplexes,cafled ‘ lfl.’fmspmtdnmgha g isznexnemdyrqidptm. (ea/u ‘lllo \I‘J P‘I‘IIIIDI- n IIHL\I\I LCII Wllll u 3"!“1‘: If‘llcll‘llll thlul: lJl “I”?! ‘3‘ *lf,_1‘_l JVII’d, Willi {Jul into it beaker containing (H M sucrose solution with 11 Ws value at «0.20 MP3. I . \h hat is the ll’p \‘a-liUL‘ oi the call when it reaches equilibrium with the sucrose solution in the beaker“? o rt .- ,. ., . -. H 41‘, '.,... ' - ‘ -. Vt lin‘t‘mll hdpptn to this cell it thls Lt” :5 taken out of the sucrose solution and put into it (litterent beaker containing 0.1 M CuCli. Why? r‘!‘ Kai ‘ ' hilt-£1}? W ’Tsi";tfl'\ uw .2“ w {ME J ;I 5 6’ Lt‘flée/ "*ij :_'-'{’79)¢ (rim-7 w 3:- f/«t’nct‘j ____,_ HM, ' riff ‘ ' -_ a. - W ‘t 8.. W E U ZC’n’lypfl. Lair/13d; Pg 27363;, HO Lil/[jot mat-M; mil 0' R 17146. ('ét’L OM/ that (WC | /‘ bill/{amfis "F/LKH ML. 97:11 Fix W. (10 points). Describe the physical mode (diffusion. bulk flow, or osmosis) of water transport involved in each of the following locations of the transpiration stream. Also describe the component ofthe water potential (solute potential, pressure potential, andx’or gravity potential) gradient that contributes the most in providing the driving force for water transport in that location. A. Movement through the soil to the root surface Wm: (DMik-‘Flov‘v- Wflfifl f “361 p N cs t; of! C) m (If t“ B. Movement thnough the stern xylem mm: but k +‘Ia N: pHfibm. gradient C . Movement through the endodermal layer W 0SWS‘S A W D. Movement from the air 5 aces inside a leaf to the atmosphere outside Moduflmnspnfl: OCH! H S to o W (.3 C w It _._._ r. _--,-_: -w... 3...: -—,.--y... mu. yams}: Annual). m uxwmm‘n }. “1m i561: amcbvims deficiency 93.1319th for M5“? Why? 2. WhydocsMa-symmnmmrfimwoldaimvcsmdofmbam? 3. Exmfih}*flg‘mmmfly'bmhadmfimaflafiaahwvy'mmn. ! _ I : n J ‘ . (News; #1; Ff rsa‘wnEL-thpf— (RD-Qfiulfg .‘ .3? . .1 isn’t-Ami :3 twig-[{ch £11 51 me 61’/€_ rams“? demyit and (a: Mew,me dyg; GIL/gr EJM’OQ “ta. 'Yflw‘j‘?/C}rcw¥7 b“% of A p; at. . 2 4? {I WHNJ!‘ TA 1711-; Surfafqi r1 Eliwééwlclimw im'f barf-«(4; H" 3., 1:1” ant Var?” (an. Lcnxpi ' .‘fio {5174’ {in End; I‘m So}! gagging male-‘3, m?“ t. 82 oéagcv’m :2. so"! W9» 01' Dana: A? LVN/1‘91 014i bf 171w. TcFScs", 7‘4. MM? 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This note was uploaded on 11/30/2011 for the course BIOLOGY 321 taught by Professor Min during the Winter '11 term at University of Michigan.

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PraticeExam1_Key - _ 1 . 7 7.7V rv-/.,.-.,u-r unuuvrvall 1...

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