 
			 
			MCQOPTIONS
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				This section includes 6 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. | Rubisco is a ________________ | 
| A. | nucleic acid | 
| B. | protein | 
| C. | carbohydrate | 
| D. | fiber | 
| Answer» C. carbohydrate | |
| 2. | Heat-shock response was first observed in which organism? | 
| A. | C. elegans | 
| B. | Drosophila | 
| C. | Arabidopsis | 
| D. | Bacteria | 
| Answer» C. Arabidopsis | |
| 3. | TriC is a _____________ | 
| A. | hsp70 | 
| B. | chaperonin | 
| C. | organelle | 
| D. | enzyme | 
| Answer» C. organelle | |
| 4. | Which of the following molecules bind to nascent polypeptides synthesized on the ribosomes? | 
| A. | Chaperonins | 
| B. | Hsp70 | 
| C. | Hsp72 | 
| D. | Hsp | 
| Answer» D. Hsp | |
| 5. | Chaperones bind to which type of amino acid residues in the protein? | 
| A. | Charged | 
| B. | Uncharged | 
| C. | Hydrophobic | 
| D. | Hydrophilic | 
| Answer» D. Hydrophilic | |
| 6. | What are molecular chaperones? | 
| A. | Enzymes | 
| B. | Cell mass | 
| C. | Tumor | 
| D. | Helper proteins | 
| Answer» E. | |