MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
According to the fluid mosaic model, the membrane is _____________ |
| A. | rigid |
| B. | discontinuous |
| C. | sheet-like |
| D. | fluid-like |
| Answer» E. | |
| 2. |
The fluid mosaic model was proposed in the year __________ |
| A. | 1942 |
| B. | 1972 |
| C. | 2002 |
| D. | 1872 |
| Answer» C. 2002 | |
| 3. |
Which material was used by Overton in his experiments to conclude the lipid nature of plasma membrane? |
| A. | bacteria |
| B. | yeast |
| C. | plant root hair |
| D. | animal root hair |
| Answer» D. animal root hair | |
| 4. |
The first insights into the chemical nature of plasma membranes date back to __________ |
| A. | 1700 |
| B. | 1790 |
| C. | 1800 |
| D. | 1890 |
| Answer» E. | |
| 5. |
Energy transduction is the underlying process of which of the following? |
| A. | DNA |
| B. | Transcription |
| C. | Translation |
| D. | Photosynthesis |
| Answer» E. | |
| 6. |
The specific molecules that bind to receptors are _____________ |
| A. | Ligands |
| B. | Co-enzymes |
| C. | Substrates |
| D. | Enzymes |
| Answer» B. Co-enzymes | |
| 7. |
Which type of molecules are involved in responding to external signals received by the cell? |
| A. | Enzymes |
| B. | Nucleic acids |
| C. | Genes |
| D. | Receptors |
| Answer» E. | |
| 8. |
Which of the following is allowed in context with a plasma membrane? |
| A. | Inversion |
| B. | Transportation |
| C. | Transversion |
| D. | Transformation |
| Answer» C. Transversion | |
| 9. |
Cytosol is the same as cytoplasm. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
One of the main functions of plasma membranes is to enclose the contents of _____________ |
| A. | cell |
| B. | organism |
| C. | bones |
| D. | tissue |
| Answer» B. organism | |