2009Spring Test 1

p r o d u c ea m u t a n tf o r m o f p r o t e i n

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Unformatted text preview: m o f p r o t e i n 1 ,w h i c hb e h a v e n o r m a l l y t t e m p e r a t u r eb e l o w3 7 " C , s h 2 s s s t r a i n f t h e m i c r o o r g a n i stma t o a y t W e b u t a t h i g h e r e m p si t c a n n o t u r n b l u e . h i c ho f t h e f o l l o w i n g o u l dm o s te a s i l y x p l a i n o u ro b s e r v a t i o n s t h e m u t a n t c of protein? a ) i t m a k e s n d e x t r aH b o n dt o p r o t e i n - X 2 b ) i t m a k e s c o v a l e nb o n dt o p r o t e i n - X 2 a t a a y a i c y f d i t i s c o m p l e t e lu n f o l d e d t t e m p s< 3 7 0 C d ) i t i s c o m p l e t e lu n f o l d e d t t e m p s> 3 7 0 C e ) n o n eo f t h e s e s a l i k e l y a u s e .CO . L istt he f ollowingin order of sizefrom smallest l argest? to 1 )a p r o t e i n 2)carbon tom a 3)ribosome 411 alr)2>3> 4>s b )s ) 4 ) 3) 2) 1 4)yeast ell c c )2 ) 1 ) 3 ) s ) 4 5)mitochondrion d )2 - > ) 1 ) s ) 4 3 MPRE MED this a nswerif none o f the abovei s correct i e ) choose I MED 411 .CO e l t z q 1 r i f e i s s a i ot o b e t h e r m o d y n a m i c aplo s s i b l b e c a u s ei v i n Bh i n g s ? ly b ) r e p r o d u ct h e m s e l v e s e c ) i n c r e a ste e d e B r e e f o r d e ri n t h e u n i v e r s e h o {;}release h eat t o t he environment f avorable reactions nly c) carryout energetically o e) none of thesei s correct MED 411 .CO MPRE t e r i 2 9 T h ee n e r g vn p u tr e q u i r e do i n i t i a t e n e n e r g e t i c a lfla v o r a b l c e l l u l ac h e m i c a le a c t i o ns ? i a y r c b) the a ctivation nergy e c ) t h ek r n e t ie n e r g y d ) t h e c h e m r c a lo n de n e r g y b a) the f ree energy e) n oneof theseis correct PRE \f MPRE MED 411 .CO r s n W h i c ho f t h e f o l l o w i n g e q u i r e m i t o c h o n d r iia o r d e rt o l i v e ? v b ) E u b a c t e r i a c ) p l a n tc e l l s i t h c h l o r o p l a s t s d ) A r c h a e b a c t e r i a e ) n o n eo f t h e s e o e s w d a)Polio irus -l COM P - PR EM ED4 11. Bil 255-Qs pring 2 oo9 - t est I - f orm z -...
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