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