Exercise: Protein Structure

Questions for: Protein Structure

The four subunits of the hemoglobin (Hb) gene represent protein's
A:
primary structure
B:
secondary structure
C:
tertiary structure
D:
quaternary structure
Answer: D
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Sickle cell disease is due to
A:
a mutation in the beta chain of Hb
B:
a mutation in the alpha chain of Hb
C:
infection with a parasite
D:
none of the above
Answer: A
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Protein folding is
A:
automatic, mediated by the protein itself
B:
mediated by other proteins called chaperones
C:
mediated by the ribosomes
D:
none of the above
Answer: B
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Over 50% of common cancers are associated with damage to a protein, p53. This protein
A:
is a cyclin
B:
is a tumor supressor
C:
is an oncogene
D:
regulates apoptosis
Answer: B
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Cyclins are proteins that
A:
regulate ability of cells to invade tissue
B:
regulate passage from one stage of cell division to another
C:
regulate apoptosis of damaged cells
D:
none of the above
Answer: B
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Ad Slot (Above Pagination)
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