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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
RNAi phenomenon inhibits the synthesis of which biomolecules? |
A. | RNA |
B. | DNA |
C. | Proteins |
D. | Carbohydrates |
Answer» D. Carbohydrates | |
2. |
A mutant organism or cell encodes normal proteins that can be used for studying the endomembrane system. |
A. | True |
B. | False |
Answer» C. | |
3. |
Which of the following technique was used to study the function of ribosomes and contrast it with the function of ER membrane? |
A. | Cell-free systems |
B. | Autoradiography |
C. | Spectroscopy |
D. | Microscopy |
Answer» B. Autoradiography | |
4. |
The microsomal content of a ruptured cell represents how many organelles? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
5. |
Subcellular fragmentation is a technique to study the endomembrane system, based on _____________ of the cells. |
A. | homogenization |
B. | degradation |
C. | labeling |
D. | freezing |
Answer» B. degradation | |
6. |
Which of the following can be used as a temperature-sensitive mutant to study the endomembrane system? |
A. | Vesicular Stomatitis Virus |
B. | Human Immunodeficiency Virus |
C. | Tobacco Mosaic Virus |
D. | Retrovirus |
Answer» B. Human Immunodeficiency Virus | |
7. |
After the synthesis of proteins in endoplasmic reticulum, where do they reach before being secreted from the cell? |
A. | Lysosomes |
B. | Golgi complex |
C. | Lysozymes |
D. | Nucleus |
Answer» C. Lysozymes | |
8. |
GFP joined at the end of a protein can interfere in its synthesis. |
A. | True |
B. | False |
Answer» C. | |
9. |
Green fluorescent protein (GFP) is observed from which of the following organism? |
A. | Octopus |
B. | Jellyfish |
C. | Drosophila |
D. | Mouse |
Answer» C. Drosophila | |
10. |
Pulse-chase is an experiment related to radioactivity. |
A. | True |
B. | False |
Answer» B. False | |
11. |
Which type of molecules are used for labeling the cellular entities in the autoradiography technique? |
A. | Glycoproteins |
B. | Radioisotopes |
C. | Stereoisomers |
D. | Enantiomers |
Answer» C. Stereoisomers | |
12. |
Which technique was used to study the secretory pathway in acinar cells of the pancreas for the first time? |
A. | Gel electrophoresis |
B. | Chromatography |
C. | Autoradiography |
D. | ELISA |
Answer» D. ELISA | |