Cell Structure and Organelles MCQs Quiz 24 Posted on April 5, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 24Cell Biology Multiple Choice Questions 1. Cell cycle progression is primarily regulated by which molecular system? Ribosomes Cyclins and cyclin-dependent kinases Histones Microtubules Heat shock proteins 2. The basal body of cilia structurally resembles _______ Golgi apparatus Centriole Nucleus Lysosome 3. The restriction point (R point), the checkpoint beyond which a cell is committed to DNA replication, is located in which phase of the cell cycle? S phase G₁ phase M phase G₂ phase 4. __________ are the structural feature that convert microtubule sliding into bending in cilia Basal bodies Dynein arms Nexin links Radial spokes 5. Movement of cilia and flagella is primarily driven by _______ Myosin Kinesin Actin Dynein 6. Chromosomal aberrations include _______ Duplication Deletion Inversion All of these 7. The core structure of eukaryotic cilia and flagella is known as _______. Centrosome Axoneme Microfilament Basal body 8. Differential centrifugation separates organelles based on _______ Charge pH sensitivity Density and size Enzyme activity 9. Translocation is a type of genetic rearrangement, involves _______ Protein folding DNA replication Loss of DNA Exchange of segments 10. Peroxisomes are specialized for _______ Protein synthesis Free radical detoxification DNA replication Transcription Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 24 Cell Biology Multiple Choice Questions
