Cell Structure and Organelles MCQs Quiz 22 Posted on April 4, 2026April 5, 2026Author agropublishers 0 Cell Structure and Organelles MCQs Quiz 22 Cell Biology Multiple Choice Questions Table of Contents Toggle 1. _____________ are membrane-bound organelles with their primary function is to generate ATP (adenosine triphosphate) Ribosomes Mitochondria Lysosomes Golgi apparatus 2. The smooth endoplasmic reticulum is primarily involved in the synthesis of which molecules? Proteins for secretion Nucleotides Amino acids Lipids and steroids 3. Which protein polymer forms microtubules? Actin Keratin Tubulin Myosin 4. Rate-zonal centrifugation separates particles based on _______ Sedimentation velocity Charge differences Chemical composition Enzyme activity 5. ________________ forms the bilayer structure of the plasma membrane Phospholipids Triglycerides Waxes Steroids 6. The nucleolus is primarily involved in the synthesis of ___________ Ribosomal RNA (rRNA) Transfer RNA (tRNA) Messenger RNA (mRNA) DNA polymerase 7. The strong fluorescence of the Y chromosome in Q-banding is attributed to____________- High GC content Abundance of repetitive AT-rich heterochromatin Presence of ribosomal DNA clusters High gene density 8. Electron microscopy is used in organelle isolation to assess _______ Protein structure DNA sequence Purity of fractions Transcription rate 9. Mitochondria contain their own unique genetic material, primarily characterized as ______________ Circular DNA Plasmid DNA Linear chromosomes Single-stranded RNA only 10. ___________ is the main component of the central vacuole in plant cells DNA Protein crystals Starch granules Water Loading … Question 1 of 10Cell Structure and Organelles MCQs Quiz 22Cell Biology Multiple Choice Questions 1. _____________ are membrane-bound organelles with their primary function is to generate ATP (adenosine triphosphate) Ribosomes Mitochondria Lysosomes Golgi apparatus 2. The smooth endoplasmic reticulum is primarily involved in the synthesis of which molecules? Proteins for secretion Nucleotides Amino acids Lipids and steroids 3. Which protein polymer forms microtubules? Actin Keratin Tubulin Myosin 4. Rate-zonal centrifugation separates particles based on _______ Sedimentation velocity Charge differences Chemical composition Enzyme activity 5. ________________ forms the bilayer structure of the plasma membrane Phospholipids Triglycerides Waxes Steroids 6. The nucleolus is primarily involved in the synthesis of ___________ Ribosomal RNA (rRNA) Transfer RNA (tRNA) Messenger RNA (mRNA) DNA polymerase 7. The strong fluorescence of the Y chromosome in Q-banding is attributed to____________- High GC content Abundance of repetitive AT-rich heterochromatin Presence of ribosomal DNA clusters High gene density 8. Electron microscopy is used in organelle isolation to assess _______ Protein structure DNA sequence Purity of fractions Transcription rate 9. Mitochondria contain their own unique genetic material, primarily characterized as ______________ Circular DNA Plasmid DNA Linear chromosomes Single-stranded RNA only 10. ___________ is the main component of the central vacuole in plant cells DNA Protein crystals Starch granules Water Loading … Question 1 of 10 Cell Structure and Organelles MCQs Quiz 22 Cell Biology Multiple Choice Questions
