Structure and Properties of Peptides
Peptides in the fully extended chain conformation

also have a cis geometry in their peptide bonds
do not occur in nature
are equivalent to the (3-sheet structure
have Y = F = 180°

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP