There are almost 500 naturally occurring variants of hemoglobin. Hemoglobin X is a hemoglobin variant in which a Lys residue is substituted for Arg at residue 92 of the α chain. This mutation stabilizes the R state. Which of the following graphs could represent hemoglobin X's dissociation curve? the graphs options are in the image

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There are almost 500 naturally occurring variants of hemoglobin. Hemoglobin X is a hemoglobin variant in which a Lys residue is substituted for Arg at residue 92 of the α chain. This mutation stabilizes the R state. Which of the following graphs could represent hemoglobin X's dissociation curve?

the graphs options are in the image

1.0
0.8
No change
0.6
0.4
0.2
20
40
60
80
100
po, (torr)
1.0
0.8
0.6
0.4
0.2
20
40
60
80
100
po, (torr)
Fractional Saturation
Fractional Saturation
Transcribed Image Text:1.0 0.8 No change 0.6 0.4 0.2 20 40 60 80 100 po, (torr) 1.0 0.8 0.6 0.4 0.2 20 40 60 80 100 po, (torr) Fractional Saturation Fractional Saturation
1.0
0.8
Normal
hemoglobin
0.6
0.4
0.2
20
40
60
80
100
PO, (torr)
1.0
0.8
Normal
hemoglobin
0.6
0.4
0.2
20
40
60
80
100
PO, (torr)
Fractional Saturation
Fractional Saturation
Transcribed Image Text:1.0 0.8 Normal hemoglobin 0.6 0.4 0.2 20 40 60 80 100 PO, (torr) 1.0 0.8 Normal hemoglobin 0.6 0.4 0.2 20 40 60 80 100 PO, (torr) Fractional Saturation Fractional Saturation
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