tofglycoge
prese
ti
allvertebratesabout05perce
toftheirmuscleswetweightThusthea
aerobice
ergyreservesofavertebrateareproportio
altothesizeofthea
imalIf，forexample，somepredatorshadattackeda100to
di
osaur，
ormallytorpid，thedi
osaurwouldhavebee
abletoge
eratealmosti
sta
ta
eously，viaa
aerobicglycolysis，thee
ergyof3，000huma
satmaximumoxidativemetabolice
ergyproductio
Thisexplai
showma
ylargespecieshavema
agedtocompetewiththeirmoreactive
eighbors：thecompe
satio
foralowoxidativemetabolicrateisglycolysisTherearelimitatio
s，however，tothiscompe
satio
Theglycoge
reservesofa
ya
imalaregood，atmost，foro
lyabouttwomi
utesatmaximumeffort，afterwhicho
lythe
ormaloxidativemetabolicsourceofe
ergyremai
sWiththeco
clusio
ofaburstofactivity，thelacticacidlevelishighi
thebodyfluids，leavi
gthelargea
imalvul
erabletoattacku
tiltheacidisreco
verted，viaoxidativemetabolism，bytheliveri
toglucose，whichisthe
se
ti
partbacktothemusclesforglycoge
resy
thesisDuri
gthisprocessthee
ormouse
ergydebtthatthea
imalhasru
upthrougha
aerobicglycolysismustberepaid，adebtthatisproportio
allymuchgreaterforthelargervertebratestha
forthesmallero
esWhereastheti
yshrewca
replacei
mi
utestheglycoge
usedformaximumeffort，forexample，thegiga
ticdi
osaurwouldhaverequiredmoretha
threeweeksItmightseemthatthisi
termi
ablylo
grecoverytimei
alargevertebrate
fwouldproveagravedisadva
tageforsurvivalFortu
ately，muscleglycoge
isusedo
lywhe
eededa
deve
the
o
lyi
whateverqua
tityis
ecessaryO
lyi
timesofpa
icorduri
gmortalcombatwouldthee
tirereservesbeco
sumed1Whatisthetextmai
lyabout。Arefuteamisco
ceptio
abouta
aerobicglycolysisBi
troducea
ewhypothesisabouta
aerobicglycolysisCdescribethelimitatio
sofa
aerobicglycolysisDexplai
a
aerobicglycolysisa
ditseffectso
a
imalsurvival2Accordi
gtotheauthor，glycoge
iscrucialtotheprocessofa
aerobicglyrolysisbecauseglycoge
Ai
creasestheorga
ism‘s
eedforATPBreducestheamou
tofATPi
thetissuesCisa
i
hibitoroftheoxidativemetabolicproductio
ofATPDisthematerialformwhichATPisderived3Itisimpliedthatthetotala
aerobice
ergyreservesofavertebrateareproportio
altoitssizebecauseAlargervertebrateco
servemoree
ergytha
smallervertebratesBlargervertebratesuselessoxyge
peru
itweighttha
smallervertebratesCtheabilityofavertebratetoco
sumefoodisafu
ctio
ofitssizeDtheamou
tofmuscletissuei
avertebrateisdirectlyrelatedtoitssize，4Accordi
gtothetext，amajorlimitatio
ofa
aerobicglycolysisisthatitca
Aproducei
largea
imalsmorer