314

Document Sample
314 Powered By Docstoc
					                                                                                           I
NTR 314, Exam    #l

Instructions!
1. You have 75 mirnrtes to complete the exam.
2. Write your name and the date in the spaces provided under the line.
3." Wlen yqi-riesRdeittre{lrestions;leaves$be,aftef eddi.answer"fof rfty ebrrrnents.
4. When you are done, folder your exam vertically and iasert it inside this sheet.
5. If the provided space after each question ib not enough;'please use another sheet and
write the question   number.             ..   !.
         NTR 314, Exam #1



         1.    Please   fill in the steps that convert Autotrophys into Heterotrophys (6 points).

                Cells and their products from Autotrophys
                        1. L-\"pr{bflft,Le1                        I
                        2. nbS{-y        pfi   d.i"'}              t       ?

                                                                   I
                Cells and their products of heterotrophys

\        Z.    What is the basic structural feature of a plasma membrane? What types of proteins
               are associated with biomembranes? (6 points)

     .;,1 PIAS Y'**;u hrAh'v"r kr&r4 o,r& "#* r'''r# kE #,'#f#r .l':,-.0;         s                      E

     vt'v( 0.,, pffi4r hi{,'liliih }-'*in*rci*r ptffil*\ig;lCg dri }llt,h {'i+fiitju"i,:-l
    r

    'y:,lrrr,,' Pdiful{r        {$
                                gtr   id,$dr?ed'                               r;r              1ngl
                                       yi_#n Vryfr#,r ir",.ryg cJ;,+'*.! },J y
               Qy id |r+,yr{irgd rc'rc ir{ c\rL ai[U,,r ci],:. * Wi \-^ rv^t      j r,              D   Fyr [,1.,r,     .;
                                                                                       r
                   in     t)rC|43f        fu       ...r,r'   'vJ fi,;i"",'ip'iiir* t'..,,t',!   ii:.{,/o.,,}}


          3.   Where is the energy stored in our food? What is the most common molecule
               containing high energy bond? How many high energy bonds are there in one ATP
               molecule? (6 ooints)                                                         ,                   t   t
                  *wrll,-/^'l Yl tJ\)r fuW"fl i5 ';t;;1rrt r{tr f; t;g'ii;.*1W'o#''fJ'
                 ff f ';5 & ,* J r ;* T ^ $ry:r *'3',t#r'p {'-'tttf"f"{'M&d*":WJ *}ru}};'i tit'iiif
                                                                                          "'-'t

                               *;, # I lr'isffd:Ltul* #$ ffi$F hl# # ltiiii ,;:'yt{Y#Lf
                 t                      r     r n,.\ $; nf !?i 1,,. \, r :;f
                 I'rtut};f ;
                   b0i^4!,
        NTR 314, Exam        #l

        4. Here is a picture of mitochondrion. Please                      fill in the following   blanks representing its
"l ./   structure. (total 7 points).
                                                      j llf,i_
                                                      s   f."
                                                                 _
                            .\
                           24-.
                                                                                                                                              '1"{
                                                                                                                                                     i|;i    i.t/

         |-tl'm,ifi]4L
                                                                                                                                                 r               ri:i"
                                                                                                                                     "r.   i'1       ;   1,1.,
                                                                                                                                       .;',      l
                                                                                                                                     ;,3ri: l._.i




                                                                                                                             i; 't
                                                                     [,tuvr',,{-}1"X




        5.   What is the biological energy needed for? What is free energy? How can you estimate
  1
  I
             the tendency of a chemical reaction using the free energy of the substrate and product?
             (total 8 points)




                     -&, :(
                                                                       "-   &qo --*:*,
                                             , Lr
                                               .n                               - 2
                                                                       t L*r
                                                                       r    /         ,/'^

                      /,
                                  -".   -*
                                             .e
                                             I t..,                                   --__
NTR 314, Exam #1


6.   Please fill in the names of the monosaccharide components of the following
     disaccharides. (total 4 points)
                                                                                 ti,,i:i   -i;',,i..       tI
                                                                                 ,1. ': , r ,.!- *.--O q;.
                                                                                                     -
                                                                                 .r'-in rl* /.i
                                                                                  t .,   ,r'l{
                                                                                il{ ? *iq" ijs rd          i


                                                                                      r
                                                                                 f-* 1"        \i        ,v
                       Samrose
                                     e.lflffhEt                 c                            e      ; qfl{r*$d,
7. A maltose is derived from (2 points)
    A. Two units of glucose
    B. Two units of mannose
    C. One unit of glucose and one unit of fixurnose
                   irannose and one unit of fructose
Orr?;:",Hrn "f
8. What is the difference between amylopectin and amylose? What kind of glycosidic
bonds are there in a glycogen molecule? Which one is responsible for the branching point?
(6 noints) "
'-'----',stl'
                         t )try*i        q li:. _h*r;*er5d     ffi v.r,,,ie{y
                                                                       ffi                     ls
                                                                              qr{.Ndy,nf # w*lrr
             qf'    0iutcosa wil{Lru-$; Qrrtr cucjarr' fr;uh-/-'r*r"-ffii"*t sd
              $UCOdpri rvlil{4{ia}+$ WiWr }l, r{ "*r,r4''o o, . /qr1inrr*,,,,4ir r*tr".
                                                                                    ;Ji}";'r#,*rrs,
             tht"    t\ t tr, nh t nsrar, A i ,, \-
                              Q\ttecsrrlr            i
                                                  buftc\ -s ftr* rrE*rrrl*'u,ll
              \yaywt'trv#f             li.'tiil 6il'    d,*ff f ff d"ffi W{'}I
              t"il'-& ; *;$ a+ q\qr# fi,n rv$,'{ {blVS '{ii' il,?i d'-%W Tt tu{ t }
                                 ;
                                               *-                                                    t                     i
              lh fi.rvu'i t P*pr #f;rt
9. What are the two basic structures of a polypeptide chain? What are the primary,
secondary, tertiary and quaternary structures of a protein? What determines the three-
dimensional structure of a protein? (total 12 points)

t)
 ':k   "
           ftar,r FWr,:14 #,#gru /Tr.d*{;i{                      #f g,       rs r,,;i*s.},;"*        F;rrd"&[*pr;y."-   drld
       {e"   {,1   ir.r"1x",5.
                                      t 'i#fiq,+tir"?fl{,, #'                         #*
              fnn fi"lfrvt!                                     *u**lnffie   d}d:,$


              trWufrivx"d               t
                          t\W#.{l,riln5 {r*g f1fir"* 4;str.r* ft -lnh'rd,*},,-rr FIXIW
              +etlqvq =\Ybm^r* ,                 *r
                                     13tfm,'rsfd,fs#F$ JfrUq
                                                             fid*X;*' ** -                                 hg$tEE.**r
                                                                                                           43
                                 tC\r, clftet,r] S
              Qtt4y+enrurut=                v\rr{,yr     ?pn        vyffiye- *$"& ffii#,:g:S
                                                                                                             \ig,3,jfd{f
 3-    l) $r'xf"tqi'Ya                 x5 d^*"tgr Nvr.*         d   [x] 'h;"*, {r4arq*t"tfu, ,fl$' {gj} r lr,iil
 qr{ffit.
             NTR 314, Exam #1


             10. The structures  of linoleic acid, o-linolenic acid and y-linolenic acid are listed as                   k      Y
             follow. Please indicate which one is which. Please also tell whether it is ro3 or o16 fatty                 il-$   y\"tg
             acid. (total 9 points)


                                                                                                    l- \'T\*tt"
                  3                                                                                                e$iC
       bt,n-
           fl                                                                                                 -
                                                                                                    Z-tr^ra) y hrlol*t
                                                                                                                         i, #d,t d
   D9,E,14

                                            #                                                       3-trrfu)/^trrrol{icG*ud
Airrrl, !f
                                                  molecules (1 to 3) and the bond (#4) marked by the box.

  -\                                                                            \"-




                                                              !,.,   .,,,€! .;.,,' r, -t,, ,. i
                                                              , ', .:,ll       '',..noir,u..::..J
                                                               +r *c:*i
                                                               u,s.!                                 i




                                  {v1g\$f   '   nrt/ ,   s.'\ , ?-,       3 trracrlt srr -c;\rl d111"#l
             12. What are the enzymes secreted from mouth and stomach? What are the functions                            of
             these enzymes? (12 points)

                      t^noutfh    =   ftffiqJ M'tui d\ 0{Sts p*h{ sfr- eLdndjs
                                      L\.t u\il\\ \ W#E** di q/ \ ipr ci5          It
                      sTunta   Ln=.rysso,          uil,';nd Fap;cn              =d\4*q6 p{ffid{$l yrwuyls
                                      W4shnt rrpas*I          di6q *ffii;i*T#n4yr#ded qtUwcl'
                  NTR 314, Exam #1


                  13. Please describe the sublayers of the small intestine? How is the surface area of the
      '           mucosa amplified? Please describe the major structural components of an intestinal villus?
                  Please describe the structural features of an enterocyte? You can draw a graph to help
  ' -1_/          your explanation (12 points)
                        suLrwfr! 0{ {i n&h\ rv*r'$furru,l
                                n1r^c0sdtuiinru,vlr,ffi          \nlfr       ggy$fttt"f rrrilii   t$ I^r"*i!,,.,kd,lrt, {u{fr{&hil y]
                               s\Abw\ilitrs$#"i f ftl*anh u* .l.r{.$urx, ({}}r}d,i;r}f r"$. \vri.i,ptrrr"*, !{{dLed j
                               \$^sc\t'\&v\5 efil,rn\si 1_ inqtr,* #p Swte,pp6,.u tr",i4stfe_
                                                                                      fu.(A,9+ vi,itut 4tdr.tttlry
                                S0YuSet fsnrqidivo
                                                       Vr,:fur,qr
                  \rfficu &ra #$ 4nr- rn{,q,{'CIStu t!                              @pr'$i        *   {f y^Y;4r},1 rnt,tfL,{-5
                    YCr{hVn5 \^/hi Lh Wp}fff 4"ur,                               #"}
              o$in      ik\K-{*"rlr&.1     rir\\r r-qfi,&{,ts rYlt* {i4{. iu,ttt"rdl".u rt' 41.-*, s,r.:rt"il r; rlfg*rv-"
                  \Ai\r li\rx- -fnx-        e-*erualtu s ,fis"n #-, kldsh ryJn/,ttr

                               vll\i
Qrk'r,tt'jiif_,.
4ffitvk*,jr.1tu         EE
                        4tfffrfr/tt'rrn$


                         Wffi--fuw"'*b,ata
                                           <   bn^sh kyrfd   r




                  l.4. What are the two types of endocrine cells in the pancreas and what are their functions?
                  (6 points)
    -\                     6"tv\b*nr\,tu $L\\5 = S(tu\$ _ S T t-hlg                           #T:dX -iy,d;,q      Wor'*tt
                           fGn$ru#,i{t L J{n} #,                                7
                           ffiryirifL$"          C,"\\1 =    e{u#'   *Lr\1       b r'\turi   i{,{r fl8*11 ard*ybs-Y
                                   .?ryetc         r*ryx Stl\K,      fl#1g:r6   rlu{s

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:33
posted:10/14/2010
language:English
pages:6