2008_05_30_15_00_56

2008_05_30_15_00_56 - )“L ‘1{j 6&1 1.“ Nam I~J...

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Unformatted text preview: )“L ‘1 {j 6&1: { 1.“. Nam I~J BILD 2 Winter Quarter. 2008 1. (b) What kinds of i' I i captors do we have and what kinds of light do they detect? 2. (10 points) Whatflisfrhodopsin?“ What does it do and_ho_xfii_n_d where does it do it? (I? ‘5 in M». £1ch WA Mfg us got [3.31/15 __ D X 3. (10 points) How and where is a physical stimulus like pressure on the skin converted into an electr'calsi nal? How do we encode information_.ah.out_th1flmlof1he gessure? rW. - x .. ._ ---——?r:§wrv: “is 'C‘erd W” W! EIJ’W 331W? —— +3 r VOLU‘HA WWCLI (as only] Ppuwl {q Wgohf “Q”??? F'R‘Sf .M— SL‘M“fb‘-§.J__.j;y -- a $9193”) Nwm reams We MM! WJBMFMM‘QH" " ‘92 wd'g'w Si‘7"“(r~+—?j "Mn MWMW’M‘ TN mummy/x ?fu££$9€8 We mP'wma-h‘n W1 1W5 90-“ W h> AP bi ‘IISYJ’M’EL h: 54:10le MWAQUWH MAP 0“ “MM firmd‘ag (’1 mobrmw‘on‘ 110‘ my W0“: 0W] W W *0 A? W “W mew *0 F3?" egfififsfllnméox 1%wa M) xM (mm, be}:th mng —.._J ' I r u I l I ( wfle‘m v [email protected] in _-7 7b BILD 2 Name Winter Quarter, 2008 5. (10 points) How are voltage-gated sodium channels like voltage-gated potassium channels with respect to location, activation, deactivation, and overall fflgfltflLAmLthare the two Channel t es differan "fislmiion o P '71 Val’mbfi/M Wham channel “44$ m D (x (‘M 0P (:1 a1 Whrlfi —l qc HMHQA 09a VDHWKJI‘TW film???“ W1 Agni? h, A Mfin-(llavifiqi-ZM. keg-aw 361%; are (scaled on Wyatt Windows. ‘3. 3 ALQCHJmlfrwi DP n N01? WI,“ LQQA +7) 0i Op ACJFMM {If/3' machid’ii‘M/I 0P“ chlflm/l/Utl [@5101 h a j vital, Overall, WU) ML, Wiii‘i‘fld’w mutt/1M to“ W MW}; $01an 0"” Wow/51M), WA [Dmt QW/‘ig {EI‘S‘QQ'L—huaijr 6. (10 points) What are the common “inhibitory” neurotransmitters in vertebrates? How do they work, i.e. how do they generate an inhibitory PSP instead of an excitatory one? I Pm inlm‘ NW 93? minis 0m dich‘m Polen’rial pfe.w*5cg%r.‘nul wit/“Le m man VH3 «ll laws m Adria/x psi-Wm ocean . Hm {3/10 ulna/i Vale/mall Mg Mani Wow/NJ; La: Smlr OVQFM [M3 Old/meet An inhibilwe) ntw'o’rrmsM:H<r Ls Mm} + T A.» loflj (‘45 I"i Muer cwsflikeihartshalgl, ll {9 0M inlain j: 7. (10 points) How is calcium recruited presynaptically and what does it do there? How is this [K different from its recruitment and use postsynaptically to genera of TP? 19 S’rlmlqlE/l Ca Wm wilfmoue in ' . PtQSLa/Mf’ra. Gill Which (gnaw/J +0 Wat/(brow; {agree Morotrmfim-IM vol/nth Wt” EMA R fécflpi’ofl» OIA +L~2 PESiSLj/klpi'tg, (tall in “HM NM? in. Yosimwtimllm ’rn LTP, gllmalmim berowgg 3mm) ;;> MW at Sir/b.qu Wm gel/laxng slimnldkfllm (WW/1r) oft; grandma) 5 SHle MMHI'PML tilt/~25 i0 UK 6m claim Pole/1M, Calcium is recruiifid‘ t’rfl31néw‘rt'mll PM MM: owl pvshjnmpticqllj hp; (om/Uth Li :1 BILD 2 Narr Winter Quarter. 2008 8. (15 points) Illustrate the shape changes that happen to a sarcomere during muscle contraction. Indicate where the actin and myosin filaments are in the sarcomere and how their positions relative to each other differ in the contracted and relaxed states. ‘ «(a . {m rl A123 {"4 r4 snow/um 0w: Cicfifl” {Lion TM Edda Efilhfilri Slight odtrtdf’. The Ligands ei‘ - %$ Bicmsk “4 DWI A60”), 4% H*’20ML olfllié Smalls"; Lull- Htg fivEQ/LL (“e Mai/13 in .9th TM 61cm (4; aHacM 1L1: Hi Elxluag/ 1W Wit/loam is allowed victim [onj an Afho M 01 (fives—lonely par/m WM ranged” H ‘tofli fiQi’S lair/fl/Qr) Hw'éom [(5 Mel SKI/m. $11. loN‘A . (15 points) Applying tetanic stimulation only to a “weak” synapse often does not induce LTP there. But LTP is induced at the “weak” synapse if the tetanic stimulation is given to a strong synapse on the same postsynaptic neuron while repeatedly stimulating the weak synapse. Whyr is that? How does it work, i.e. how does hard stimulation of the strong synapse help the weak one, and why does the weak one have to be stimulated at the same time.’l A hcirolgh‘mqlah'm 0L 4% BMW} Sfl/‘b’lf‘éi— L‘llPS thAQ Wank 0N2. hemlASL OP Conw’fflml’ LTP. We is assay-Hm Wot/"AM {Adv-ludi 0‘ She/w) Sflfl‘if’SG owl min/MK syAana 0‘41 hauth oil” 444‘ SAW lit/“l, Walk. 51%ng Lat)th She/17 hm; JiL’C l5 SHMqtqkA il’ Nleaggg Mwajeri/iémiikr/ Se “3 Ll"? Weak Sx/‘Ampgug, i5 Sl’i’i’iwldka“ ml—‘lLL 961M‘KLL'H/ il' will edgy“ “(Hist fiwol‘acmm'tim' {gummllfl l’LK Weak 514,101ng will Law” that 1* (Eli-NS WW” ("Harmth WW lr'"i Offbflrj OM dots erg-wk WON Shims] ho, Svylafge ...
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This note was uploaded on 08/30/2008 for the course BILD 2 taught by Professor Schroeder during the Fall '08 term at UCSD.

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2008_05_30_15_00_56 - )“L ‘1{j 6&1 1.“ Nam I~J...

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