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