MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Protein Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Ribosomes contain three functionally distinct tRNA binding sites. Which of the following is not one of them? |
| A. | A site |
| B. | P site |
| C. | E site |
| D. | O site |
| Answer» E. | |
| 2. |
Which of the following is not a feature of the larger subunit of the eukaryotic ribosome? |
| A. | 60S size |
| B. | Contains both 5.8S and 5s rRNA |
| C. | Catalyzes peptide elongation |
| D. | mRNA binding |
| Answer» E. | |
| 3. |
Which of the following protein is not synthesized by ER membrane-bound ribosomes? |
| A. | Integral plasma membrane proteins |
| B. | Golgi complex proteins |
| C. | Extrinsic membrane proteins localized to the extra-cytoplasmic surface |
| D. | Extrinsic membrane proteins localized to the cytoplasmic surface |
| Answer» E. | |
| 4. |
Which of the following protein is not synthesized by membrane-free ribosomes? |
| A. | Chloroplast proteins |
| B. | Peroxisomal proteins |
| C. | Extrinsic membrane proteins localized to the cytoplasmic surface |
| D. | Extrinsic membrane proteins localized to the extra-cytoplasmic surface |
| Answer» E. | |
| 5. |
Proteins that are to be incorporated into cytoplasmic organelles are synthesized on ER membrane-bound ribosomes. Whereas, proteins that are to be imported into the ER-Golgi system are synthesized on free ribosomes in the cytosol. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following represents the correct constituents of a eukaryotic ribosome? |
| A. | 16S, 28S, and 5S rRNA |
| B. | 16S, 28S, and 5.8S rRNA |
| C. | 18S, 28S, and 5.8S rRNA |
| D. | 18S, 28S, 5S, and 5.8S rRNA |
| Answer» E. | |
| 7. |
Which of the following represents the correct constituents of a prokaryotic ribosome? |
| A. | 16S, 23S, and 5.8S rRNA |
| B. | 23S, and 5.8S rRNA |
| C. | 16S and 5S rRNA |
| D. | 16S, 23S, and 5S rRNA |
| Answer» E. | |
| 8. |
There is no difference between prokaryotic and eukaryotic ribosomes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following was used by Carl Woese to build the prokaryotic phylogenetic tree? |
| A. | 5.8S rRNA gene |
| B. | 5S rRNA gene |
| C. | 23S rRNA gene |
| D. | 16S rRNA gene |
| Answer» E. | |
| 10. |
What does the ribosome consist of? |
| A. | Two subunits of equal sizes |
| B. | Two large and two small subunits |
| C. | Two large and one small subunit |
| D. | One large and one small subunit |
| Answer» E. | |
| 11. |
Which of the following is the site of protein synthesis in a cell? |
| A. | Nucleus |
| B. | Cell membrane |
| C. | Vacuole |
| D. | Ribosomes |
| Answer» E. | |