Questions and Answers Nutrition and
Metabolism
The sum of all of the biochemical processes going on within the human body at
any given time:
Metabolism
Oxidative ophosphorylation
Catabolism
Anabolism o- oCORRECT oANSWER-Metabolism
Reactions owithin o______ oprovide omost oof othe oenergy oneeded oby oa otypical ocell:
Cytoplasm
The omitochondria
The oendoplasmic oreticulum
The oplasma omembrane o- oCORRECT oANSWER-The omitochondria
What ois oa onutrient opool?
A ogeneral oterm ofor ovitamins oand ominerals
otogether oAn oaccessible osource oof osubstrates
ofor oa ocell
The ometabolic oreserves oof othe obody oas oa owhole
An oalternative oterm ofor obolus oof ofood oin odigestive osystem o- oCORRECT
oANSWER-An oaccessible osource oof osubstrates ofor oa ocell
Cells operform ocatabolism oto ogenerate oATP, owhich ocan obe oused ofor:
Muscle ocontraction
Ion otransport
Glycogen osynthesis
All oof othese o- oCORRECT oANSWER-All oof othese:
Muscle ocontraction
Ion otransport
Glycogen osynthesis
The oprocess oof osynthesizing oglucose ofrom ononcarbohydrate ois ocalled:
Begins owith othe oformation oof oa omolecule oof ocitric oacid
Directly oproduces omost oof oATP ofro ocatabolism oof oglucose
, Contains oenzymes ocalled ocytochromes
Forms oacetyl-CoA ofrom oglucose-6-phosphate o- oCORRECT oANSWER-Begins
owith othe oformation oof oa omolecule oof ocitric oacid
The ocarbon odioxide oof orespiration ois oformed oduring:
Glycolysis
The ocitric oacid
ocycle oElectron
otransport
The oformation oof opyruvic oacid o- oCORRECT oANSWER-The ocitric oacid ocycle
In othe oETS, o_______ oaccepts oelectrons ofrom oone omolecule oand otransfers
othen oto oanother:
Hydrogen oIon
oA ocoenzyme
oA
ocytochrome
A ocoenzyme oor oa ocytochrome o- oCORRECT oANSWER-A ocoenzyme oor oa
ocytochrome
The omajor ojob oof ocoenzymes oin ooxidative ophosphorylation oincludes oall oof othe
ofollowing oexcept:
Release oof ohydrogen oions
oIonization oof ohydrogen
oatoms
Release oof oelectrons oto ofirst ocytochrome oof oETS
The obreaking oof ocarbon-carbon ocovalent obonds o- oCORRECT oANSWER-The
obreaking oof ocarbon-carbon ocovalent obonds
______ ocreates o90 opercent oof othe oATP onormally ogenerated:
Lipogenesis
The oETS
Oxidative ophosphorylation
Glycolysis o- oCORRECT oANSWER-Oxidative ophosphorylation
In othe oprocess oof odigestion, omost onutrient oabsorption otakes oplace oin othe:
Small ointestine
Stomach
Large ointestine
Liver o- oCORRECT oANSWER-Small ointestine
Although oother onutrients ocan ofeed ointo othe ocitric oacid ocycle, o_____ oyields