BIOCHEM FINAL EXAM QUESTIONS
WITH WELL VERIFIED ANSWERS
T/F: qxAccording qxto qxthe qxmodule, qxa qxcompound qxwith qxa qxmolecular qxmass qxof
qx1,000 qxg/mol qxis qxconsidered qxa qxmacromolecule. qx- qxANSWERS--false
macromolecule qx>5,000 qxg/mol
T/F: qxBiomolecules qxcan qxhave qxtwo qxor qxmore qxdifferent qxfunctional qxgroups. qx-
qxANSWERS--true
T/F: qxThe qxfollowing qxgroup qxis qxan qxamine.
C2H5NH2 qx- qxANSWERS--true
T/F: qxIn qxa qxeukaryotic qxcell, qxthe qxorganelles qxcalled qxperoxisomes qxserve qxthe
qxpurpose qxof qxdigesting qxmacromolecules. qx- qxANSWERS--false
peroxisomes qxdegrade qxdangerous/hazardous qxmolecules, qxlysosomes qxdegrade
qxmacromolecules
T/F: qxIn qxa qxeukaryotic qxcell, qxthe qxorganelles qxcalled qxlysosomes qxserve qxthe
qxpurpose qxof qxdigesting qxmacromolecules. qx- qxANSWERS--true
T/F: qxCarbon qxdioxide qxhas qxa qxlinear qxmolecular qxshape qxAND qxhas qxa qxbond
qxangle qxof qx109.5 qxdegrees. qx- qxANSWERS--false
linear qxshape qx= qx180 qxdegrees
Of qxthe qxfollowing, qx___ qxis qxnot qxa qxproperty qxof qxcarbon.
Forming qxionic qxbonds
Forming qxcyclic qxstructures
Forming qxmultiple qxbonds
Forming qxbonds qxwith qxoxygen
Bonding qxin qxlong qxchains qx- qxANSWERS--Forming qxionic qxbonds
Which qxof qxthe qxfollowing qxis qxan qxelement qxnot qxtypically qxfound qxin qxliving
qxorganisms?
Br
Ca
H
S
, Na qx- qxANSWERS--Br
What qxare qxthe qxfunctional qxgroups qxfound qxin qxcarbohydrates? qx- qxANSWERS--
carbonyls qx(C=O)
alcohol/hydroxyls qx(-OH)
ketones
aldehydes
What qxis qxa qxketone? qx- qxANSWERS--carbonyl qxgroup qxbonded qxto qx2 qxcarbons
A qx___ qxis qxa qxchemical qxformula qxthat qxshows qxhow qxthe qxatoms qxof qxa
qxmolecule qxare qxbonded qxto qxone qxanother. qx- qxANSWERS--Kekule' qxstructure
A qx_____ qxis qxa qxchemical qxformula qxthat qxdoes qxNOT qxshow qxthe qxC-H qxand
qxC-C qxbonds. qx- qxANSWERS--condensed qxformula
A qxcollection qxof qxtwo qxor qxmore qxmacromolecules qxuniting qxis qxcalled qxa qx___. qx-
qxANSWERS--supramolecular qxcomplex
An qxorganic qxcompound qxwith qxthis qxstructure, qxC=C, qxcontains qxa qx___
qxfunctional qxgroup. qx- qxANSWERS--alkene
What qxelement qxhas qxbeen qxcalled qxthe qxsuperglue qxof qxthe qxchemical qxworld? qx-
qxANSWERS--carbon qx(C)
What qxmolecule qxis qxthe qxmost qximportant qxfor qxenergy qxstorage qxin qxcells? qx-
qxANSWERS--ATP
What qxwould qxbe qxthe qxapproximate qxsize qxof qxa qxhuman qxcell? qx- qxANSWERS--
12 qxμm
For qxpentane, qxthere qxare qx___ qxcarbon qxand qx___ qxhydrogen qxatoms. qx-
qxANSWERS--5; qx12
For qxbutane, qxthere qxare qx___ qxcarbon qxand qx___ qxhydrogen qxatoms. qx-
qxANSWERS--4; qx10
For qxan qxorganic qxcompound, qxwhich qxstructure qxis qxthe qxmost qxefficient qxto
qxdraw? qx- qxANSWERS--line qxbond
When qxwriting qxan qxorganic qxfunctional qxgroup, qxscientists qxoften qxwrist qxan qx"R"
qxas qxpart qxof qxthe qxstructure. qxWhat qxdoes qxthe qxR qxindicate? qx- qxANSWERS--
rest qxof qxthe qxmolecule
According qxto qxthe qxmodule, qxthe qxstudy qxof qxcarbon qxcompounds qxis qxreferred
qxto qxas qx___. qx- qxANSWERS--organic qxchemistry
The qx___ qxfunctional qxgroup qxwas qxNOT qxdiscuss qxin qxthis qxmodule.
alcohol
WITH WELL VERIFIED ANSWERS
T/F: qxAccording qxto qxthe qxmodule, qxa qxcompound qxwith qxa qxmolecular qxmass qxof
qx1,000 qxg/mol qxis qxconsidered qxa qxmacromolecule. qx- qxANSWERS--false
macromolecule qx>5,000 qxg/mol
T/F: qxBiomolecules qxcan qxhave qxtwo qxor qxmore qxdifferent qxfunctional qxgroups. qx-
qxANSWERS--true
T/F: qxThe qxfollowing qxgroup qxis qxan qxamine.
C2H5NH2 qx- qxANSWERS--true
T/F: qxIn qxa qxeukaryotic qxcell, qxthe qxorganelles qxcalled qxperoxisomes qxserve qxthe
qxpurpose qxof qxdigesting qxmacromolecules. qx- qxANSWERS--false
peroxisomes qxdegrade qxdangerous/hazardous qxmolecules, qxlysosomes qxdegrade
qxmacromolecules
T/F: qxIn qxa qxeukaryotic qxcell, qxthe qxorganelles qxcalled qxlysosomes qxserve qxthe
qxpurpose qxof qxdigesting qxmacromolecules. qx- qxANSWERS--true
T/F: qxCarbon qxdioxide qxhas qxa qxlinear qxmolecular qxshape qxAND qxhas qxa qxbond
qxangle qxof qx109.5 qxdegrees. qx- qxANSWERS--false
linear qxshape qx= qx180 qxdegrees
Of qxthe qxfollowing, qx___ qxis qxnot qxa qxproperty qxof qxcarbon.
Forming qxionic qxbonds
Forming qxcyclic qxstructures
Forming qxmultiple qxbonds
Forming qxbonds qxwith qxoxygen
Bonding qxin qxlong qxchains qx- qxANSWERS--Forming qxionic qxbonds
Which qxof qxthe qxfollowing qxis qxan qxelement qxnot qxtypically qxfound qxin qxliving
qxorganisms?
Br
Ca
H
S
, Na qx- qxANSWERS--Br
What qxare qxthe qxfunctional qxgroups qxfound qxin qxcarbohydrates? qx- qxANSWERS--
carbonyls qx(C=O)
alcohol/hydroxyls qx(-OH)
ketones
aldehydes
What qxis qxa qxketone? qx- qxANSWERS--carbonyl qxgroup qxbonded qxto qx2 qxcarbons
A qx___ qxis qxa qxchemical qxformula qxthat qxshows qxhow qxthe qxatoms qxof qxa
qxmolecule qxare qxbonded qxto qxone qxanother. qx- qxANSWERS--Kekule' qxstructure
A qx_____ qxis qxa qxchemical qxformula qxthat qxdoes qxNOT qxshow qxthe qxC-H qxand
qxC-C qxbonds. qx- qxANSWERS--condensed qxformula
A qxcollection qxof qxtwo qxor qxmore qxmacromolecules qxuniting qxis qxcalled qxa qx___. qx-
qxANSWERS--supramolecular qxcomplex
An qxorganic qxcompound qxwith qxthis qxstructure, qxC=C, qxcontains qxa qx___
qxfunctional qxgroup. qx- qxANSWERS--alkene
What qxelement qxhas qxbeen qxcalled qxthe qxsuperglue qxof qxthe qxchemical qxworld? qx-
qxANSWERS--carbon qx(C)
What qxmolecule qxis qxthe qxmost qximportant qxfor qxenergy qxstorage qxin qxcells? qx-
qxANSWERS--ATP
What qxwould qxbe qxthe qxapproximate qxsize qxof qxa qxhuman qxcell? qx- qxANSWERS--
12 qxμm
For qxpentane, qxthere qxare qx___ qxcarbon qxand qx___ qxhydrogen qxatoms. qx-
qxANSWERS--5; qx12
For qxbutane, qxthere qxare qx___ qxcarbon qxand qx___ qxhydrogen qxatoms. qx-
qxANSWERS--4; qx10
For qxan qxorganic qxcompound, qxwhich qxstructure qxis qxthe qxmost qxefficient qxto
qxdraw? qx- qxANSWERS--line qxbond
When qxwriting qxan qxorganic qxfunctional qxgroup, qxscientists qxoften qxwrist qxan qx"R"
qxas qxpart qxof qxthe qxstructure. qxWhat qxdoes qxthe qxR qxindicate? qx- qxANSWERS--
rest qxof qxthe qxmolecule
According qxto qxthe qxmodule, qxthe qxstudy qxof qxcarbon qxcompounds qxis qxreferred
qxto qxas qx___. qx- qxANSWERS--organic qxchemistry
The qx___ qxfunctional qxgroup qxwas qxNOT qxdiscuss qxin qxthis qxmodule.
alcohol
