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