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BIOLl 1107l Examl 2l –l Principlesl ofl Biologyl Il (Latestl 2026/l 2027l Update)l Review|l 100%l Verifiedl Questionsl &l Answersl |l Gradel A
Q:l O2l movesl froml plasmal intol Hemoglobin.l O2l Partiall pressurel inl thel plasmal decreasesl orl increases
Answer:
Decreases
Q:l cooperativel bindingl ofl hemoglobin
Answer:
-l Hemoglobinl consistsl ofl fourl prostheticl hemel groupsl thatl canl bindl onel O2l each,l asl eachl individuall O2l moleculel binds,l itl increasesl thel affinityl ofl thel nextl hemel groupl forl thel additionall O2l molecule -Alsol worksl inl reversel forl O2l offloading -Resultsl inl al sigmoidall dissociationl curve
Q:l Decreasingl partiall pressurel ofl CO2l causesl hemoglobinl affinityl forl O2l tol (increasel orl decrease)
Answer:
Increase
Q:l Carbonicl anhydrasel isl anl enzymel thatl produces
Answer:
Carbonicl acidl (H2CO3) 1 / 3
Q:l Increasedl Carbonicl acidl causesl hemoglobinl to
Answer:
Unloadl oxygenl intol plasma/surroundingl bodyl tissue
Q:l Bohrl effect
Answer:
Hemoglobinl bindsl tol oxygenl morel tightlyl atl highl pHl thenl atl lowl pH
Q:l Carbonicl Bufferl Systeml formula
Answer:
CO2l +l H2Ol <-->l H2CO3l <-->l H+l +l HCO3-
Q:l Veins
Answer:
Bloodl vesselsl thatl carryl bloodl backl tol thel heart
Q:l Spiracles
Answer:
Thel entrancel ofl al tracheidl system
Q:l Thel respiratoryl surfacel isl formedl byl al layerl of
Answer:
Epitheliall cells
- / 3
Q:l "Respiratoryl epitheliall tissuel mustl bel polar"l forl gasl exchangel meansl what?
Answer:
Theirl mustl bel gasl concentrationl gradientl inl orderl forl respiration/gasl exchangel tol occur.
Q:l Perfusion
Answer:
Thel flowl ofl bloodl orl otherl bodyl fluidsl tol thel internall sidel ofl thel respiratoryl surface
Q:l Al catabolicl pathwayl is
Answer:
Thel degradativel path,l wherebyl complexl organicl moleculesl arel degradedl tol simplerl molecules.
-Releasesl freel energy
Q:l Anabolisml requiresl what?
Answer:
Requiresl energy
Q:l Endergonicl reactionsl are?
Answer:
non-spontaneousl andl requirel energy
Q:l Phosphorylation
Answer:
- / 3
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