BIOCHEM MODULE 4 EXAM QUESTIONS AND
ANSWERS GRADED A+
which yyof yythe yyfollowing yymonosaccharides yyis yynot yyan yyaldose?
a. yyerythrose
b. yydihydroxyacetone
c. yyglucose yy
d. yyglyceraldehyde
e. yyribose yy- yyb. yydihydroxyacetone
when yytwo yymonosaccharides yyare yyepimers:
a. yythey yydiffer yyonly yyin yythe yyconfiguration yyabout yythe yypenultimate yycarbon
b. yyone yyis yyan yyaldose, yythe yyother yya yyketose
c. yythey yydiffer yyonly yyin yythe yyconfiguration yyabout yyone yycarbon yyatom
d. yythey yyform yyo-glycosidic yybonds
e. yythey yyare yyoligosaccharides yy- yyc. yythey yydiffer yyonly yyin yythe yyconfiguration yyabout yyone yycarbon
yyatom
which yypair yyis yyanomeric?
a. yyD-glucose yyand yyD-fructose
b. yyD-glucose yyand yyL-fructose
c. yyD-glucose yyand yyL-glucose
d. yyalpha-D-glucose yyand yybeta-D-fructose
e. yyalpha-D-glucose yyand yybeta-D-glucose yy- yye. yyalpha-D-glucose yyand yybeta-D-glucose
lactose yyis yymade yyfrom yylinking yygalactose yyand yyglucose. yywhen yythis yyhappens:
, a. yya yypolysaccharide yyis yyformed yy
b. yygas yyis yyeliminated
c. yyan yyepimer yyis yyformed
d. yyan yyanomeric yycarbon yyis yyformed yyon yycarbon-1
e. yylactose yyforms yyby yya yycondensation yyreaction yy- yye. yylactose yyforms yyby yya yycondensation yyreaction
lactose yyis yymade yyfrom yylinking yygalactose yyand yyglucose. yywhen yythis yyhappens:
a. yygas yyis yyeliminated
b. yyan yyanomeric yycarbon yyis yyformed yyon yycarbon-1
c. yywater yyis yyreleased
d. yyan yyepimer yyis yyformed
e. yyan yyaldose yyis yyformed yy- yyc. yywater yyis yyreleased
chitin yyand yycellulose yyare yyboth yypolymers yyof:
a. yyalpha-D-glucose
b. yygalactose
c. yybeta-D-glucose
d. yyidose
e. yymaltose yy- yyc. yybeta-D-glucose
*starch, yyglycogen, yyamylose, yyand yyamylopectin yy= yyalpha-D-glucose
amylose yyand yyamylopectin yyare yyboth yypolymers yyof:
a. yyalpha-D-glucose
b. yybeta-D-glucose
ANSWERS GRADED A+
which yyof yythe yyfollowing yymonosaccharides yyis yynot yyan yyaldose?
a. yyerythrose
b. yydihydroxyacetone
c. yyglucose yy
d. yyglyceraldehyde
e. yyribose yy- yyb. yydihydroxyacetone
when yytwo yymonosaccharides yyare yyepimers:
a. yythey yydiffer yyonly yyin yythe yyconfiguration yyabout yythe yypenultimate yycarbon
b. yyone yyis yyan yyaldose, yythe yyother yya yyketose
c. yythey yydiffer yyonly yyin yythe yyconfiguration yyabout yyone yycarbon yyatom
d. yythey yyform yyo-glycosidic yybonds
e. yythey yyare yyoligosaccharides yy- yyc. yythey yydiffer yyonly yyin yythe yyconfiguration yyabout yyone yycarbon
yyatom
which yypair yyis yyanomeric?
a. yyD-glucose yyand yyD-fructose
b. yyD-glucose yyand yyL-fructose
c. yyD-glucose yyand yyL-glucose
d. yyalpha-D-glucose yyand yybeta-D-fructose
e. yyalpha-D-glucose yyand yybeta-D-glucose yy- yye. yyalpha-D-glucose yyand yybeta-D-glucose
lactose yyis yymade yyfrom yylinking yygalactose yyand yyglucose. yywhen yythis yyhappens:
, a. yya yypolysaccharide yyis yyformed yy
b. yygas yyis yyeliminated
c. yyan yyepimer yyis yyformed
d. yyan yyanomeric yycarbon yyis yyformed yyon yycarbon-1
e. yylactose yyforms yyby yya yycondensation yyreaction yy- yye. yylactose yyforms yyby yya yycondensation yyreaction
lactose yyis yymade yyfrom yylinking yygalactose yyand yyglucose. yywhen yythis yyhappens:
a. yygas yyis yyeliminated
b. yyan yyanomeric yycarbon yyis yyformed yyon yycarbon-1
c. yywater yyis yyreleased
d. yyan yyepimer yyis yyformed
e. yyan yyaldose yyis yyformed yy- yyc. yywater yyis yyreleased
chitin yyand yycellulose yyare yyboth yypolymers yyof:
a. yyalpha-D-glucose
b. yygalactose
c. yybeta-D-glucose
d. yyidose
e. yymaltose yy- yyc. yybeta-D-glucose
*starch, yyglycogen, yyamylose, yyand yyamylopectin yy= yyalpha-D-glucose
amylose yyand yyamylopectin yyare yyboth yypolymers yyof:
a. yyalpha-D-glucose
b. yybeta-D-glucose
