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