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