Discussion
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- Question
Signal sequences are part of a protein that
Options- A. signal folding of the protein
- B. signal the protein synthesis on the ribosomes is ended
- C. transport proteins to other sites within the cell
- D. refold proteins in prion-associated diseases
- Correct Answer
- transport proteins to other sites within the cell
- 1. Sickle cell disease is due to
Options- 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 Discuss
- 2. Metastasis involves
Options- A. ability of cells to dissolve cellular matrix
- B. metalloprotein levels
- C. decreased levels of proteins that regulate metalloproteins
- D. all of the above Discuss
- 3. Beta pleated sheets are examples of protein's
Options- A. primary structure
- B. secondary structure
- C. tertiary structure
- D. quaternary structure Discuss
- 4. The four subunits of the hemoglobin (Hb) gene represent protein's
Options- A. primary structure
- B. secondary structure
- C. tertiary structure
- D. quaternary structure Discuss
- 5. Over 50% of common cancers are associated with damage to a protein, p53. This protein
Options- A. is a cyclin
- B. is a tumor supressor
- C. is an oncogene
- D. regulates apoptosis Discuss
- 6. Protein folding is
Options- A. automatic, mediated by the protein itself
- B. mediated by other proteins called chaperones
- C. mediated by the ribosomes
- D. none of the above Discuss
- 7. The first protein complex to bind to the TATA box is
Options- A. transcription factor IIA
- B. transcription factor IIB
- C. transcription factor IID
- D. all of these Discuss
- 8. Methylated gene are
Options- A. active
- B. silent
- C. dynamic
- D. either (a) or (b) Discuss
- 9. A mutation in the tip binding site of the repressor would result in
Options- A. constitutive trp operon expression
- B. inducible trp operon expression
- C. no operon expression
- D. none of the above Discuss
- 10. Which of the following is not part of the lac operon?
Options- A. I
- B. O
- C. P
- D. none of these Discuss
Protein Structure problems
Search Results
Correct Answer: a mutation in the beta chain of Hb
Correct Answer: all of the above
Correct Answer: secondary structure
Correct Answer: quaternary structure
Correct Answer: is a tumor supressor
Correct Answer: mediated by other proteins called chaperones
Correct Answer: transcription factor IID
Correct Answer: silent
Correct Answer: constitutive trp operon expression
Correct Answer: I
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