What is at the center of a heme molecule in a hemoglobin?
A) a beta globin chain
B) an alpha globin chain
C) iron
D) nitrogen
E) another heme molecule
Correct Answer:
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Q85: In sickle cell anemia,glutamic acid is substituted
Q86: Homeotic genes are,in general,in control of
A) X
Q87: Sickle-cell anemia has been traced to what
Q88: Beta thalassemia is caused by a
A) deletion.
B)
Q89: What do transcription factors do?
A) speed up
Q91: Insertion mutations are often caused by
A) base-pair
Q92: The difference between normal and sickle-cell hemoglobin
Q93: To what,specifically,does oxygen in a hemoglobin molecule
Q94: What percent of our DNA consists of
Q95: In a sickled red blood cell,what do
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