2009Spring Test 1

Bil 255 qs pring 2 oo9 t est i f orm z p age3 11 com

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Unformatted text preview: p age3 11. COM Whicho f the f ollowingcellularp rocesses ill l ikelvg enerate he m E\ATP d irectlyf rom a s ugarh igh? w t a ) d i g e t s i o o f s t a r c h o s u B a r b ) g l v c o l y s i s c ) t h e K r e b s v c l e ( d ) A T P s y n t h a s e e ) n o n eo l t h e s ei s c o r r e c t n t c ED4 d GTPm ay b e p roduced irectlyb y which of the following? f a lcoholicermentation b ) KrebsCycle c ) p yruvated ehydrogenase irt - PR EM d ) o n l ya a n d b e) n one o f theseis c orrect ED4 11. COM 28/Uldet anaercbic conditions keltalm uscleli$! will p roduce? s / ' e cllactate only d y'ethanol only f l actateand COz . .b) thanota nd Co2 // e ) a l l t h r e e i a , b , a n dc 11. COM - PR EM p 2 9 . A r e a c t i o n t Y h a sa s m a l l o s i t i v e G a t 3 7 " C b u t m a y o c c u r p o n t a n e o u siln a h u m a nc e l lb e c a u s e ? X A , s y ' b a) i t is c atalyzed y an enzyme b ) Y i s r a p i d l y s e du p b y o t h e rr e a c t i o n s u c ) t h e r e a c t i o n o n s u m eh e a t c s d ) t h e t h e r m a m o t i o no f m o l e c u l eis c e l l s n c r e a ste e e n e r B y f a c t i v a t i o n l n i h o e ) n o n eo f t h e s ei s c o r r e c t COM - PR EM ED4 r 3 0 . N o n p o l aa m i n oa c i d s . t e ntd b e f o u n di n t h e i n t e r i o r f B l o b u l ap r o t e i n s ? a i t r u e o o b)false r '' l,'.. , p l o m f , 3 t . U p o nt h e r e m o v ao f u r e af r o m a s o l u t i o n f p r o t e i n sa n u n f o l d e d r o t e i ni n t h e s o l u t i o n a y b e c o m e ? ' a)denatured b)unstable c)renatured d) irreversible i e ) n o n eo f t h e s e s c o r r e c t ED4 11. a ^f thp<o i< .^.ra.t - PR EM al n^na ED4 11. COM - PR EM 32. Chaperoneproteins? t f a ) p r e v e n p r o t e i n h a i n sr o m a d o p t i n g n u n s t a b l e o n f o r m a t i o n c a c r a r ec o m p l e x e w i t h p r o t e i n o k e e pt h e m i n o n e p a r t i c u l ac o n f o r m a t i o n d t fl c) a llow p roteinst o adopt several ifferentconformations d p i d ) d e g r a d e r o t e i n sn t o i n d i v i d u a lm i n oa c i d s u r i n g i g e s t i o n a d d ED4 11. COM Youare studying enzymes, & B , b oth of w hich act upon 2...
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