hBiochemistry Exam 100% Reliable An
h h h h
swers for All ExamQuestions
h h h h
WhathdohBiochemistshstudy?h-
hanswer✔✔1.hThehrelationshiphbetweenhstructurehandhfunctionhof
biomolecules
2. Chemicalhreactionshofhorganisms
3. Communicationhwithinhandhamonghorganisms
Smallerhelementsharehfavoredhbecausehtheyhcanhformhstablehcovalenthbonds.hThorhFh-
h answer✔✔True.hStronghbondshformhbyhsignificanthoverlaphofhatoms,hsuchhashcarbonhandh
hydrogen,hallowinghthemhtohsharehelectrons.
WhathishthehbondhanglehofhahLinearhmolecule?h-
h answer✔✔180hdegreeshWhathishthehbondhanglehofhahTrigonalh Planar?h-
h answer✔✔120hdegreeshWhathishthehbondhanglehofhahTrigonalhPyramidal?h-
h answer✔✔107.5hdegreeshwhathishthehbondhanglehofhTetrahedral?h-
h answer✔✔109.5hdegrees
Whathishcarbonhreferredhtohinhthehchemicalhworld?h-hanswer✔✔Thehsuperglue
Whathdoeshorganichchemistryhstudy?h-
h answer✔✔Focuseshonhthehchemicalhandhphysicalhpropertieshofhcarbonhcompounds
Whathdoeshinorganichchemistryhstudy?h-
hanswer✔✔Thehfieldhdealinghwithhmetals,hminerals,hand
otherhnon-organichcompounds
HowhmanyhbondshcanhahCarbonhform?h-
h answer✔✔4!hDuehtohhavingh4hvalencehelectronshWhathishahlonghchainhofhcarbonshcalled?h-
h answer✔✔Polymers
Whathishahcyclichcompound?h-
h answer✔✔CarbonshjoinedhtogetherhinhahclosedhchainhWhatharehcarbonhcompoundshc
alled?h-hanswer✔✔Alkanes
, Condensedhstructureshgivehahbetterhideahofhahmoleculeshstructure,hcomparedhtohchemicalhformula.hT
h orhFh-hanswer✔✔T
Structuralhformulahgiveshanhevenhbetterhideahofhahmoleculeshstructure,hcomparedhtohchemical
formulah-hanswer✔✔T
Advantagehofhcyclichcarbonhcompoundsh-
hanswer✔✔Theyharehmorehrestrictedhinhtheirhmovements
andhorientationh-hadvantageoushforhbuildinghstructureshandhmaintaininghshape
Carbonhcanhformhdoublehandhtriplehbondshwithhotherhcarbonhatomshorhatomshofhotherhelements.hTho
rhFh-hanswer✔✔T
Line-bondhDrawingh-hanswer✔✔Mosthefficienthmethodhtohshowhstructure,hbuthrequireshthe
mosthinterpret
ation.
Functionalhgrouph-
h answer✔✔specificharrangementhofhatoms;htheyhdefinehthehchemistryhofhthehmoleculehandhcontr
olhthehpropertieshofhthehcompound.
Whathdictateshthehchemicalhandhphysicalhpropertieshofhcompounds,hincludinghbiochemicalhc
ompounds?h-hanswer✔✔Thehstructure
Biomoleculesh-hanswer✔✔Moleculeshthatharehparthofhthehcellhorhmoleculeshthatharehexcretedhby
cells.
Macromoleculesh-hanswer✔✔largehbiomolecules
MolecularhmasshofhahMacromoleculeh-hanswer✔✔5,000hg/molhorhgreater
Whatharehdaltonshusedhfor?h-
hanswer✔✔LargerhmoleculeshusehDaltonshforhmass.h1hDah=h1hg/mol
Largerhmoleculeshdevelophmorehcomplexhstructures.hThorhFh-
h answer✔✔ThWhathish25,000hDahinhKilodaltonsh-hanswer✔✔25hkDa
Monomersh-hanswer✔✔Single,hsmallesthbuildinghblockhusedhtohbuildhmacromolecules.
WhathishthehmonomerhofhDNA?hOfhproteins?hOfhcarbohydrates?h-
hanswer✔✔Nucleotide;h Amino
Acids;hSugarhmolecule
SupramolecularhComplexesh-hanswer✔✔Ahcomplexhofhtwohorhmorehmacromoleculeshthat