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

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

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Structure and Properties of Peptides
The Ramachandran Plot illustrates the fact that

the peptide bond is planar
the F & Y angles can assume approximately three different values
the F & Y angles can assume only a single value in a protein
the F & Y angles can assume any value in a peptide

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