Cell Structure and Organelles MCQs Quiz 3 Posted on April 2, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 3 Cell Biology Multiple Choice Questions 1. Bacterial capsules primarily enhance _________ ATP synthesis DNA replication Virulence and protection against host defenses Protein folding 2. Chloroplasts contain which internal membrane structures responsible for light reactions? Thylakoids Lamellae Cristae Cisternae 3. Storage granules primarily function to store ________________ RNA DNA Proteins only Energy reserves 4. Euchromatin is generally _________ Transcriptionally active Protein-free Inactive DNA-free 5. Secretory vesicles are primarily involved in __________________________ Endocytosis Exocytosis DNA replication ATP synthesis 6. The trans-Golgi network is mainly responsible for _____________ DNA replication Protein synthesis ATP synthesis Sorting and targeting proteins 7. The nucleolus is the primary site of ___________ DNA replication Protein degradation rRNA synthesis and ribosome assembly ATP synthesis 8. ATP synthase in mitochondria is primarily located in the ____________ Outer membrane Matrix Cytosol Inner mitochondrial membrane 9. Chromatin is composed of __________________ ATP molecules DNA associated with histone and non-histone proteins Long chained Lipids RNA only 10. The chemiosmotic theory explains the mechanism of _________ Protein folding Membrane transport DNA replication ATP synthesis driven by a proton gradient Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 3 Cell Biology Multiple Choice Questions
