Structure and Properties of Peptides
What is the effect of a decrease in pH on hemoglobin oxygen affinity?

No effect on oxygen affinity
Decrease in oxygen affinity
Increase affinity in muscle cell otherwise decrease
Increase in oxygen affinity

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Structure and Properties of Peptides
In deoxy hemoglobin (Hb), the Fe (II) is coordinated to

two nitrogens of heme and to three His residues in Hb
four nitrogens of heme and to a water molecule
four nitrogens of heme, the proximal His, and a water molecule
two nitrogens of heme and to three water molecules

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