The sixth amino acid in normal hemoglobin is glutamate, but it is replaced by __________ in sickle-cell anemia.
A) histidine
B) proline
C) leucine
D) valine
E) threonine
Correct Answer:
Verified
Q22: The interaction of several polypeptide chains in
Q27: All steroids have _.
A) the same
Q29: Amino acids are linked by what kind
Q32: Q65: Proteins may function as Q67: A single protein strand folded into a Q71: The figure below illustrates one possible _ Q72: The region of the amino acid molecule Q74: Amino acids in a polypeptide are part Q75: Primary protein structure is formed by
A)structural units.
B)hormones.
C)storage molecules.
D)transport molecules.
E)all
A)hydrophobic interactions.
B)hydrogen
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