Both myoglobin and hemoglobin are conjugated proteins, they both contain heme wh
ID: 791142 • Letter: B
Question
Both myoglobin and hemoglobin are conjugated proteins, they both contain heme which is a Term 1positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease . In terms of shape, the oxygen binding curve of myoglobin is Term 2positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease and that of hemoglobin is Term 3positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease . When one oxygen molecule is bound to hemoglobin, it becomes easier for the next to bind. This phenomena is called Term 4positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecreaseTerm 5positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease . In these proteins the Term 6positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecreaseTerm 7positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease is seen to coordinate with the heme iron. Bound oxygen coordinates with the heme iron on the other side and the Term 8positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecreaseTerm 9positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease forms a hydrogen bond with the oxygen. Hemoglobin can exist in two conformational states: one is the R state which would be Term 10positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease Hb while the Term 11positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease state would be Term 12positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease Hb. The molecule Term 13positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease binds hemoglobin in its central cavity. The effect of this molecule is to Term 14positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease hemoglobin's affinity for oxygen. Hemoglobin is also influenced by pH. This is called the Term 15positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease effect. A decrease in pH will Term 16positivenegativehistidineproximaldistalcooperativityprosthetic groupoxydeoxyTRBohrBPGhyperbolicsigmoidalchaperoneironmodified amino acidincreasedecrease hemoglobin's affinity for oxygen.
The options are positive, negative, histidine,proximal,prosthetic group,oxy,deoxy,t, R, modified amino acid,chaperone
Explanation / Answer
Term 1 : - Modified Amino Acid
Term 2 :- hyperbolic
Term 3 ; Sigmoidal
Term4 :positive
Term 5 :cooperativity
Term 6 ::distal
Term 7:hisitidine
Term 8:proximal
Term 9:histidine
Term 10:positive
Term 11:T
Term 12:negative
Term 13 :BPG
term 14 :increase
term 15 :BOhr effect
term 16 :decrease
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