Biology1510_Shetty_FallUnknownYear_Exam2_1_[1]

Biology1510_Shetty_FallUnknownYear_Exam2_1_[1] - // ,~#

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Unformatted text preview: // ,~# "",p.-'" <0.,-- , ..,:-1) 'I. BIG 1510 Exam 2 Version: III GTA: Ameet S. Shetty /~~. / \ I t4'7 . i \/v ) \~// , . , """'------- Stuot..- Date: Deceh. '_"wnin A. Use the two graphs below to answer the following four questions. Each graph plots the reaction rate of Enzyme A (thick line) and Enzyme B (thin line) against either pH or temperature. 4 R c. 3 .i 2 R e 2 6 pH 10 12 4 4 R c 3 2 n R a I 14. 30 40 60 50 10 20 Temperature ~~ic~.lwO enzymes operates over a narrower pH range? (l pt) ~' 8 1. ~:umPHforEnzyrneA? (Ip!) 2. 3. Which of the two enzymes shows greater activity when placed in a refrigerator? (l Pi ft Which data set below best fits Enzyme A? (1 pt) 4. ~/ ~-).~ 5e-+ r:;c . Data Set pH=3 pH=5 pH=9 . oH=II 5°C 20°C 30°C 40°C X 1.5 3 .2.5----' 1.5 0.75 1.5 3.25 2.0 1.0 Y 1.0-----------3.0 2.5 0.75 1.5 4.0 2.5 0.75 . Z .;() 0.0 2.0 2.25 0.0 1.25 3.0 1.0 ~-"y , n---.-.. .' , .. ~-- 1'-' I B. In the space provided, draw a graph that represents the substrate concentration data shown in the table below. Draw a vertical line to indicate that point at which the enzyme is saturated. (1 pt) ,.C'\ r R It w e i' 11 \ : ' I ~[ ./ j. ,...~:' .r ., ","'\ ,.(fo- 01'-' '1<"" ~ 0f1- ,j-----.... 3 R ~' / /~ . / I a t 10 20 30 40 so 60 70 80 . 90 100 Substrate Couceutratiou (( ~ \ n-f CO? 'i}1'-"e c. You have set up two vials to measure respiration in peas in cold and warm environment.s. You placed 15 sprouts into each of two vials also containing a cotton ball and KOH. You then placed a graduated 1 ml pipette on the end of each vial. You placed one in a warm environment and the other in a cold environment. . a.. After ~hat direction did the water in the warm environment pipette . ~ove1~c.r:z? ~)v-l.$ .tv \)Je>,.rJ' Sp-nl.-t-b . hu.o(,ull CA.$ ,P71?~P ~)~c$' 6'2-, ~. .~~ ;<; u",,-9,r,t~ 1,'}- )~t'H . So ~6I..$ tyt_h~ del.y~1a,-,~t~ I"".,';""lt. tl.t Ve~s.L) . ... ~ .~IJ I{~ ~"'>--t!w~ llA7-0, .J--ot.JiJvrJs 5IYDL-t.ts. b. What dIrectIOn dId the water m the cold enVIronment pipette move? Why? (1 pt) "\ Lt wet -tlX rJ.1I if) Yttr'f- v,",-" vt- 1'V'-vV( t~- . T.J: Hio t.v I' , I,--0 \r/!.. fu...... (\- l.>,IJ\ 1 \---o-v-f- .~ !l<-H'.-Y d ~ .b c C~\..~t I'V\.. Co \ ~ l--vvV-1 Y1)""" ~- iW.. 'L"'" 2- ~ """'5 ) \)) k,' c..-k C\"vL. '",- ~ (I e...oU ;'. ; \..- L~ I\ V1. \ ()t y Y.f!~ (> hret -H~'~) tu,' ' . 1 cl v-.tt oh-t."t . f4-vJ S;,:} I (" . dD e.,:; n~' . t:r'i)p~I/(j- ,;.tJ ~$ Pyt'J!!:. u'\--t. ,,~f ""'-'-Ot ! ~ 'SCi v---e . ,' ~ v-t »-t-I. (L 10% 20% 30% 40% 50% 60% 70% 80% 0.0 1.25 1.75 2.25 2.5 2.5 2.5 2.5 ".' """"'Ii" : " ~ / . . I ',; w ;" =------.. D. You and your lab partners added yeast and one of the test solutions to fill a small test tube. You then inverted a large tube over each small tube and inverted the two tubes....
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This note was uploaded on 12/04/2009 for the course BIO 1510 taught by Professor Rodriguez during the Spring '08 term at Wayne State University.

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Biology1510_Shetty_FallUnknownYear_Exam2_1_[1] - // ,~#

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