Biochemistry Exam 100% Reliable A
m m m m m
nswers for All ExamQuestions
m m m m
WhatmdomBiochemistsmstudy?m-
manswer✔✔1.mThemrelationshipmbetweenmstructuremandmfunctionm
of
biomolecules
2. Chemicalmreactionsmofmorganisms
3. Communicationmwithinmandmamongmorganisms
Smallermelementsmaremfavoredmbecausemtheymcanmformmstablemcovalentmbonds.mTmormFm-
m answer✔✔True.mStrongmbondsmformmbymsignificantmoverlapmofmatoms,msuchmasmcarbonm
andmhydrogen,mallowingmthemmtomsharemelectrons.
WhatmismthembondmanglemofmamLinearmmolecule?m-
m answer✔✔180mdegreesmWhatmismthembondmanglemofmamTrigonalmPlanar?m-
m answer✔✔120mdegreesmWhatmismthembondmanglemofmamTrigonalmPyramidal?
m m - answer✔✔107.5mdegreesmwhatmismthembondmanglemofmTetrahedral?m-
answer✔✔109.5mdegrees
m
Whatmismcarbonmreferredmtominmthemchemicalmworld?m-manswer✔✔Themsuperglue
Whatmdoesmorganicmchemistrymstudy?m-
answer✔✔Focusesmonmthemchemicalmandmphysicalmpropertiesmofmcarbonmcompounds
m
Whatmdoesminorganicmchemistrymstudy?m-
manswer✔✔Themfieldmdealingmwithmmetals,mminerals,m
and
othermnon-organicmcompounds
HowmmanymbondsmcanmamCarbonmform?m-
m answer✔✔4!mDuemtomhavingm4mvalencemelectronsmWhatmismamlongmchainmofmcarbonsmcall
ed?m-manswer✔✔Polymers
Whatmismamcyclicmcompound?m-
m answer✔✔CarbonsmjoinedmtogetherminmamclosedmchainmWhatmaremcarbonmcompound
smcalled?m-manswer✔✔Alkanes
, Condensedmstructuresmgivemambettermideamofmammoleculesmstructure,mcomparedmtomchemicalmformu
la.mTmormFm-manswer✔✔T
Structuralmformulamgivesmanmevenmbettermideamofmammoleculesmstructure,mcomparedmtomchemical
formulam-manswer✔✔T
Advantagemofmcyclicmcarbonmcompoundsm-
manswer✔✔Theym arem moremrestrictedminmtheirm
movements
andmorientationm-madvantageousmformbuildingmstructuresmandmmaintainingmshape
Carbonmcanmformmdoublemandmtriplembondsmwithmothermcarbonmatomsmormatomsmofmothermelements
.mTmormFm-manswer✔✔T
Line-bondmDrawingm-manswer✔✔Mostmefficientmmethodmtomshowmstructure,mbutmrequiresmthe
mostminterpre
tation.
Functionalmgroupm-
m answer✔✔specificmarrangementmofmatoms;mtheymdefinemthemchemistrymofmthemmoleculemandmc
ontrolmthempropertiesmofmthemcompound.
Whatmdictatesmthemchemicalmandmphysicalmpropertiesmofmcompounds,mincludingmbiochemic
almcompounds?m-manswer✔✔Themstructure
Biomoleculesm-
manswer✔✔Moleculesmthatmarempartmofmthemcellmormmoleculesmthatmaremexcretedmby
cells.
Macromoleculesm-manswer✔✔largembiomolecules
MolecularmmassmofmamMacromoleculem-manswer✔✔5,000mg/molmormgreater
Whatmaremdaltonsmusedmfor?m-
manswer✔✔LargermmoleculesmusemDaltonsmformmass.m1mDam=m1m
g/mol
Largermmoleculesmdevelopmmoremcomplexmstructures.mTmormFm-
m answer✔✔TmWhatmism25,000mDaminmKilodaltonsm-manswer✔✔25mkDa
Monomersm-manswer✔✔Single,msmallestmbuildingmblockmusedmtombuildmmacromolecules.
WhatmismthemmonomermofmDNA?mOfmproteins?mOfmcarbohydrates?m-
manswer✔✔Nucleotide;m Amino
Acids;mSugarmmolecule
SupramolecularmComplexesm-manswer✔✔Amcomplexmofmtwomormmoremmacromoleculesmthat