true - each domain of a globular protein contributes a specific function to the
overall protein
false - the alpha-helix is stabilized by hydrogen bonding between amino acids side
chains
true - fibrous proteins lack tertiary structure
true - in a peptide bond, the hydrogen that is bonded to the nitrogen atom is
trans to the oxygen of the carbonyl group
myoglobin - concentrated in muscle, storage for O2
hemoglobin - major protein in blood cells
transports O2 from lungs to tissue
myoglobin - single polypeptide chain with one heme group
hemoglobin - four polypeptides with two alpha and two beta subunits
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