CHEM 210 FINAL EXAM QUESTIONS
WITH 100% CORRECT ANSWERS
T/F qxnitrogen qxis qxcalled qxthe qxsuperglue qxof qxthe qxchemical qxworld qx-
qxANSWERS--false
T/F qxlarge qxelements, qxsuch qxas qxstrontium, qxare qxcommon qxin qxbiomolecules qx-
qxANSWERS--false
T/F qxthe qxtime qxit qxtakes qxfor qxa qxcompound qxto qxflow qxthrough qxa qxmetabolic
qxpathway qxis qxcalled qxthe qxpayoff qxphase qx- qxANSWERS--false
T/F qxproteins, qxcarbohydrates, qxand qxfats qxall qxget qxbroken qxdown qxinto qxacetyl-
CoA qx- qxANSWERS--true
T/F qxa qxfat qxis qxa qxlipid qxmolecule qxthat qxis qxa qxsolid qxat qxroom qxtemperature qx-
qxANSWERS--true
in qxDNA, qxguanine qxalways qxpairs qxwith qx____
A. qxthymine
B. qxguanine
C. qxuracil
D. qxcytosine
E. qxboth qxA qxand qxB qx- qxANSWERS--D. qxcytosine
water qxis qxconsidered qxa qxpolar qxsolvent qxdue qxto qxattractive qxforces qxknown qxas
qxhydrogen qxbonds. qxa qxhydrogen qxbond qxis qx_____
A. qxa qxbond qxthat qxis qxstronger qxthan qxa qxcovalent qxbond
B. qxan qxattractive qxforce qxbetween qxmolecules qxwhere qxpartially qxpositive
qxhydrogen qxatoms qxare qxattracted qxto qxpartially qxnegative qxatoms qxof qxF, qxO, qxor
qxN
C. qxthe qxpolar qxO-H qxbond qxin qxwater
D. qxan qxionic qxbond qxbetween qxH qxand qxanother qxatom
E. qxa qxcovalent qxbond qxbetween qxH qxand qxO qx- qxANSWERS--B. qxan qxattractive
qxforce qxbetween qxmolecules qxwhere qxpartially qxpositive qxhydrogen qxatoms qxare
qxattracted qxto qxpartially qxnegative qxatoms qxof qxF, qxO, qxor qxN
what qxis qxa qxunique qxmolecule. qxwhich qxof qxthe qxfollowing qxcontributes qxto
qxwater's qxunique qxplace qxin qxthe qxchemical qxworld?
A. qxthe qxgeometry qxof qxthe qxmolecule
B. qxthe qxpolarity qxof qxthe qxO-H qxbonds
C. qxthe qxability qxof qxwater qxmolecules qxto qxhydrogen qxbond
D. qxthe qxbond qxangle qxof qxwater
E. qxall qxof qxthe qxanswers qxare qxcorrect qx- qxANSWERS--E. qxall qxof qxthe qxanswers
qxare qxcorrect
, the qxH+ qxconcentration qxof qxa qxsolution qxis qx7.9x10^-13M. qxwhat qxis qxthe qxpH?
A. qx-6.70
B. qx6.70
C. qx11.17
D. qx-12.1
E. qx12.1 qx- qxANSWERS--E. qx12.1
which qxof qxthe qxfollowing qxis qxthe qxenthalpy qxchange qxof qxa qxreaction?
A. qxdelta qxG
B. qxdelta qxS
C. qxdelta qxH
D. qxdelta qxF
E. qxnone qxof qxthe qxabove qx- qxANSWERS--C. qxdelta qxH
a qxglobular qxprotein qxis qxan qxexample qxof qxa qxprotein qx_____
A. qxmotif
B. qxconformation
C. qxsecondary qxstructure
D. qxquaternary qxstructure
E. qxamino qxacid qx- qxANSWERS--B. qxconformation
any qxmolecule qxor qxion qxthat qxis qxnecessary qxfor qxan qxenzyme's qxfunction qxis
qxcalled qxa qx____
A. qxcofactor
B. qxcoreactant
C. qxcoproduct
D. qxbienzyme
E. qxboth qxB qxand qxC qx- qxANSWERS--A. qxcofactor
a(n) qx____ qxis qxa qxcompound qxthat qxbinds qxto qxan qxenzyme qxin qxsuch qxa qxway
qxthat qxthe qxenzyme qxslows qxdown qxor qxstop qxthe qxenzyme qxreactions.
A. qxligand
B. qxsubstrate
C. qxinhibitor
D. qxcoenzyme
E. qxdeactivator qx- qxANSWERS--C. qxinhibitor
the qxfollowing qxare qxall qxexamples qxof qxa qxcarbohydrate's qxfunction qxin qxcells
qxexcept____
A. qxstructural qxrole qxin qxRNA
B. qxstructural qxrole qxin qxDNA
C. qxintermediate qxin qxmetabolism
D. qxbasis qxfor qxbuilding qxproteins
E. qxenergy qxsource qxfor qxcells qx- qxANSWERS--D. qxbasis qxfor qxbuilding qxproteins
a qxparticular qxlipid qxis qxa qxliquid qxat qxroom qxtemperature, qxso qxit qxis qxcalled
qxa(n)___
A. qxoil
B. qxfat
WITH 100% CORRECT ANSWERS
T/F qxnitrogen qxis qxcalled qxthe qxsuperglue qxof qxthe qxchemical qxworld qx-
qxANSWERS--false
T/F qxlarge qxelements, qxsuch qxas qxstrontium, qxare qxcommon qxin qxbiomolecules qx-
qxANSWERS--false
T/F qxthe qxtime qxit qxtakes qxfor qxa qxcompound qxto qxflow qxthrough qxa qxmetabolic
qxpathway qxis qxcalled qxthe qxpayoff qxphase qx- qxANSWERS--false
T/F qxproteins, qxcarbohydrates, qxand qxfats qxall qxget qxbroken qxdown qxinto qxacetyl-
CoA qx- qxANSWERS--true
T/F qxa qxfat qxis qxa qxlipid qxmolecule qxthat qxis qxa qxsolid qxat qxroom qxtemperature qx-
qxANSWERS--true
in qxDNA, qxguanine qxalways qxpairs qxwith qx____
A. qxthymine
B. qxguanine
C. qxuracil
D. qxcytosine
E. qxboth qxA qxand qxB qx- qxANSWERS--D. qxcytosine
water qxis qxconsidered qxa qxpolar qxsolvent qxdue qxto qxattractive qxforces qxknown qxas
qxhydrogen qxbonds. qxa qxhydrogen qxbond qxis qx_____
A. qxa qxbond qxthat qxis qxstronger qxthan qxa qxcovalent qxbond
B. qxan qxattractive qxforce qxbetween qxmolecules qxwhere qxpartially qxpositive
qxhydrogen qxatoms qxare qxattracted qxto qxpartially qxnegative qxatoms qxof qxF, qxO, qxor
qxN
C. qxthe qxpolar qxO-H qxbond qxin qxwater
D. qxan qxionic qxbond qxbetween qxH qxand qxanother qxatom
E. qxa qxcovalent qxbond qxbetween qxH qxand qxO qx- qxANSWERS--B. qxan qxattractive
qxforce qxbetween qxmolecules qxwhere qxpartially qxpositive qxhydrogen qxatoms qxare
qxattracted qxto qxpartially qxnegative qxatoms qxof qxF, qxO, qxor qxN
what qxis qxa qxunique qxmolecule. qxwhich qxof qxthe qxfollowing qxcontributes qxto
qxwater's qxunique qxplace qxin qxthe qxchemical qxworld?
A. qxthe qxgeometry qxof qxthe qxmolecule
B. qxthe qxpolarity qxof qxthe qxO-H qxbonds
C. qxthe qxability qxof qxwater qxmolecules qxto qxhydrogen qxbond
D. qxthe qxbond qxangle qxof qxwater
E. qxall qxof qxthe qxanswers qxare qxcorrect qx- qxANSWERS--E. qxall qxof qxthe qxanswers
qxare qxcorrect
, the qxH+ qxconcentration qxof qxa qxsolution qxis qx7.9x10^-13M. qxwhat qxis qxthe qxpH?
A. qx-6.70
B. qx6.70
C. qx11.17
D. qx-12.1
E. qx12.1 qx- qxANSWERS--E. qx12.1
which qxof qxthe qxfollowing qxis qxthe qxenthalpy qxchange qxof qxa qxreaction?
A. qxdelta qxG
B. qxdelta qxS
C. qxdelta qxH
D. qxdelta qxF
E. qxnone qxof qxthe qxabove qx- qxANSWERS--C. qxdelta qxH
a qxglobular qxprotein qxis qxan qxexample qxof qxa qxprotein qx_____
A. qxmotif
B. qxconformation
C. qxsecondary qxstructure
D. qxquaternary qxstructure
E. qxamino qxacid qx- qxANSWERS--B. qxconformation
any qxmolecule qxor qxion qxthat qxis qxnecessary qxfor qxan qxenzyme's qxfunction qxis
qxcalled qxa qx____
A. qxcofactor
B. qxcoreactant
C. qxcoproduct
D. qxbienzyme
E. qxboth qxB qxand qxC qx- qxANSWERS--A. qxcofactor
a(n) qx____ qxis qxa qxcompound qxthat qxbinds qxto qxan qxenzyme qxin qxsuch qxa qxway
qxthat qxthe qxenzyme qxslows qxdown qxor qxstop qxthe qxenzyme qxreactions.
A. qxligand
B. qxsubstrate
C. qxinhibitor
D. qxcoenzyme
E. qxdeactivator qx- qxANSWERS--C. qxinhibitor
the qxfollowing qxare qxall qxexamples qxof qxa qxcarbohydrate's qxfunction qxin qxcells
qxexcept____
A. qxstructural qxrole qxin qxRNA
B. qxstructural qxrole qxin qxDNA
C. qxintermediate qxin qxmetabolism
D. qxbasis qxfor qxbuilding qxproteins
E. qxenergy qxsource qxfor qxcells qx- qxANSWERS--D. qxbasis qxfor qxbuilding qxproteins
a qxparticular qxlipid qxis qxa qxliquid qxat qxroom qxtemperature, qxso qxit qxis qxcalled
qxa(n)___
A. qxoil
B. qxfat
