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