GBS 707 Week 2 exam questions with
complete solutions 2024
The jnumber jof jpossible jstereoisomers jof jaldohexoses:
A. j1
B. j2
C. j4
D. j8
E. j16
F. j124 j- jANS✓✓-E. j16
2^n-2
2^6-2
2^4=16
The jnumber jof jpossible jstereoisomers jof jaldopentoses:
A. j1
B. j2
C. j4
D. j8
E. j16
F. j32 j- jANS✓✓-D. j8
2^n-2
2^5-2
2^3=8
Formula jto jdetermine jnumber jof jpossible jstereoisomers jfor jketones j- jANS✓✓-
2^n-3; jn=number jof jC jatoms
Formula jto jdetermine jnumber jof jpossible jstereoisomers jfor jaldehydes j-
jANS✓✓-2^n-2; jn=number jof jC jatoms
A jbranched jglucose jhomopolymer jthat jcan jbe jdigested jby jpeople jis jcalled:
A. jchitin
B. jcellulose
C. jamylose
D. jamylopectin j- jANS✓✓-D. jamylopectin
, A jpolysaccharide jconjugated jvaccine jconsists jof:
A. jKilled jbacteria jconjugated jto jpolysaccharides
B. jIsolated jproteins
C. jPolysaccharides jconjugated jto jimmunogenic jprotein
D. jPolysaccharide jconjugated jto jimmunogenic jlipid j- jANS✓✓-C.
jPolysaccharides jconjugated jto jimmunogenic jprotein
A jprototypical jpyrogen, ja jsubstance, jinducing jfever, jis:
A. jhyaluronate
B. jinfluenza jvirus
C. jphosphorylase
D. jlipopolysaccharide
E. jkeratane jsulfate
F. jaggrecan j- jANS✓✓-D. jlipopolysaccharide
A jlarge jproteoglycan jresponsible jfor jthe jdistinctive jproperties jof jcartilage,
jespecially jits jelasticity jand jresilience jis:
A. jheparin
B. jdermatan jsulfate
C. jaggrecan
D. jchondroitin jsulfate
E. jhyaluronic jacid j- jANS✓✓-C. jaggrecan
Penicillin jacts jby:
A. jinhibiting jRNA jexpression jof jspecific jgenes jin jGram-negative jbacteria
B. jDirect jlysis jof jbacterial jwall jby jhydrolysis jof jB(1-4) jglycosidic jlinkage
C. jinhibiting jglycopeptide jaminotransferase
D. jinhibiting jcross-linking jof jthe jpeptidoglycan jstrands jof jbacterial jwalls j-
jANS✓✓-D. jinhibiting jcross-linking jof jthe jpeptidoglycan jstrands jof jbacterial
jwalls
Gram-positive jbacterial jcell jwalls jconsist jof:
A. jcytoplasmic jmembrane jand jseveral jlayers jof jpeptidoglycan
B. jinner jand jouter jmembrane
C. jchitin
D. jcytoplasmic jmembrane, jpeptidoglycan, jouter jmembrane
E. jmicroscopic jbricks j- jANS✓✓-A. jcytoplasmic jmembrane jand jseveral jthick
jlayers jof jpeptidoglycan
Gram-negative jbacterial jcell jwalls jconsist jof:
A. jcytoplasmic jmembrane jand jseveral jlayers jof jpeptidoglycan
B. jinner jand jouter jmembrane
C. jchitin
D. jcytoplasmic jmembrane, jpeptidoglycan, jouter jmembrane
E. jmicroscopic jbricks j- jANS✓✓-D. jcytoplasmic jmembrane, jpeptidoglycan, jand
jcomplex jouter jmembrane
complete solutions 2024
The jnumber jof jpossible jstereoisomers jof jaldohexoses:
A. j1
B. j2
C. j4
D. j8
E. j16
F. j124 j- jANS✓✓-E. j16
2^n-2
2^6-2
2^4=16
The jnumber jof jpossible jstereoisomers jof jaldopentoses:
A. j1
B. j2
C. j4
D. j8
E. j16
F. j32 j- jANS✓✓-D. j8
2^n-2
2^5-2
2^3=8
Formula jto jdetermine jnumber jof jpossible jstereoisomers jfor jketones j- jANS✓✓-
2^n-3; jn=number jof jC jatoms
Formula jto jdetermine jnumber jof jpossible jstereoisomers jfor jaldehydes j-
jANS✓✓-2^n-2; jn=number jof jC jatoms
A jbranched jglucose jhomopolymer jthat jcan jbe jdigested jby jpeople jis jcalled:
A. jchitin
B. jcellulose
C. jamylose
D. jamylopectin j- jANS✓✓-D. jamylopectin
, A jpolysaccharide jconjugated jvaccine jconsists jof:
A. jKilled jbacteria jconjugated jto jpolysaccharides
B. jIsolated jproteins
C. jPolysaccharides jconjugated jto jimmunogenic jprotein
D. jPolysaccharide jconjugated jto jimmunogenic jlipid j- jANS✓✓-C.
jPolysaccharides jconjugated jto jimmunogenic jprotein
A jprototypical jpyrogen, ja jsubstance, jinducing jfever, jis:
A. jhyaluronate
B. jinfluenza jvirus
C. jphosphorylase
D. jlipopolysaccharide
E. jkeratane jsulfate
F. jaggrecan j- jANS✓✓-D. jlipopolysaccharide
A jlarge jproteoglycan jresponsible jfor jthe jdistinctive jproperties jof jcartilage,
jespecially jits jelasticity jand jresilience jis:
A. jheparin
B. jdermatan jsulfate
C. jaggrecan
D. jchondroitin jsulfate
E. jhyaluronic jacid j- jANS✓✓-C. jaggrecan
Penicillin jacts jby:
A. jinhibiting jRNA jexpression jof jspecific jgenes jin jGram-negative jbacteria
B. jDirect jlysis jof jbacterial jwall jby jhydrolysis jof jB(1-4) jglycosidic jlinkage
C. jinhibiting jglycopeptide jaminotransferase
D. jinhibiting jcross-linking jof jthe jpeptidoglycan jstrands jof jbacterial jwalls j-
jANS✓✓-D. jinhibiting jcross-linking jof jthe jpeptidoglycan jstrands jof jbacterial
jwalls
Gram-positive jbacterial jcell jwalls jconsist jof:
A. jcytoplasmic jmembrane jand jseveral jlayers jof jpeptidoglycan
B. jinner jand jouter jmembrane
C. jchitin
D. jcytoplasmic jmembrane, jpeptidoglycan, jouter jmembrane
E. jmicroscopic jbricks j- jANS✓✓-A. jcytoplasmic jmembrane jand jseveral jthick
jlayers jof jpeptidoglycan
Gram-negative jbacterial jcell jwalls jconsist jof:
A. jcytoplasmic jmembrane jand jseveral jlayers jof jpeptidoglycan
B. jinner jand jouter jmembrane
C. jchitin
D. jcytoplasmic jmembrane, jpeptidoglycan, jouter jmembrane
E. jmicroscopic jbricks j- jANS✓✓-D. jcytoplasmic jmembrane, jpeptidoglycan, jand
jcomplex jouter jmembrane
