74. What are the differences between polyamides and proteins ?
I)Polyamides are unable to undergo hydrogen bonding between individual polymer chains.
II) Polyamides usually do not have hydroxyl- or thiol-groups as side chains.
III) Proteins and polyamides can be partially crystalline.
IV) Polyamides have a more stable bond between their monomers than proteins have
between the individual amino acids.
(A) I and II
(B) II and III
(C) II and IV
(D) III and IV
I)Polyamides are unable to undergo hydrogen bonding between individual polymer chains.
II) Polyamides usually do not have hydroxyl- or thiol-groups as side chains.
III) Proteins and polyamides can be partially crystalline.
IV) Polyamides have a more stable bond between their monomers than proteins have
between the individual amino acids.
(A) I and II
(B) II and III
(C) II and IV
(D) III and IV
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統計: A(2), B(0), C(1), D(0), E(0) #3328548
統計: A(2), B(0), C(1), D(0), E(0) #3328548