Lesson 3.1.3

3.1.3 Protein transport by rER and the Golgi apparatus Quiz: Pearson Edexcel Biology, Unit 3

20 questions

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Lesson 3.1.3, Protein transport by rER and the Golgi apparatus: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 3: Voice of the Genome, written with Revision Ninja.

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The 20 questions

  1. Where are proteins destined for secretion synthesised in a eukaryotic cell?

    • Mitochondrial matrix
    • Cytoplasmic ribosomes
    • Rough ER ribosomes
    • Golgi apparatus
  2. What is the main role of the Golgi apparatus?

    • Synthesising DNA
    • Producing ATP
    • Synthesising lipids
    • Modifying proteins
  3. Which structures transport proteins from the rough endoplasmic reticulum to the Golgi apparatus?

    • Lysosomes
    • Nuclear pores
    • Transport vesicles
    • Centrioles
  4. What process involves vesicles fusing with the cell membrane to release contents externally?

    • Phagocytosis
    • Exocytosis
    • Endocytosis
    • Pinocytosis
  5. Which digestive enzyme is secreted by the pancreas into the duodenum?

    • Pepsin
    • Catalase
    • Amylase
    • Lysozyme
  6. What is the correct pathway for a protein destined for secretion?

    • Golgi to rER
    • rER to nucleus
    • Golgi to nucleus
    • rER to Golgi
  7. Which group is added to proteins during glycosylation in the Golgi apparatus?

    • Carbohydrates
    • Lipids
    • Phosphate groups
    • Nucleic acids
  8. Which organelle is most prominent in a cell that secretes large amounts of protein?

    • Lysosome
    • Chloroplast
    • Rough ER
    • Smooth ER
  9. What is the main role of the Golgi apparatus in a protein-secreting cell?

    • Translating mRNA
    • Modifying and packaging
    • Synthesising amino acids
    • Storing glycogen
  10. Which process releases an extracellular enzyme from a secretory vesicle outside the cell?

    • Exocytosis
    • Pinocytosis
    • Endocytosis
    • Phagocytosis
  11. If Golgi packaging fails, where do secretory proteins accumulate within the cell?

    • Inside the Golgi
    • Outside the cell
    • In the nucleus
    • Inside lysosomes
  12. Which structures attached to the endoplasmic reticulum give it a rough appearance?

    • Peroxisomes
    • Ribosomes
    • Lysosomes
    • Microtubules
  13. Which organelle is involved in forming lysosomes?

    • Centriole
    • Golgi apparatus
    • Mitochondrion
    • Nucleolus
  14. Which structures surround a Golgi apparatus that is actively involved in secretion?

    • Circular plasmids
    • Transport vesicles
    • Thylakoid membranes
    • Nuclear pores
  15. What type of secretory products are produced by pancreatic acinar cells?

    • Steroid hormones
    • Structural phospholipids
    • Digestive enzymes
    • Nucleic acids
  16. Which process occurs when Golgi vesicles fuse with the plasma membrane during secretion?

    • Facilitated diffusion
    • Exocytosis
    • Active transport
    • Osmosis
  17. What happens to a protein as it passes through the Golgi apparatus?

    • Ribosome assembly
    • Modification and sorting
    • Peptide bond cleavage
    • DNA transcription
  18. If vesicle transport from the rough ER is blocked, where do secreted proteins accumulate?

    • Golgi apparatus
    • Rough ER lumen
    • Extracellular fluid
    • Cytoplasm
  19. Which two organelles work together to synthesise and export extracellular enzymes?

    • Nucleus and ribosomes
    • Smooth ER and mitochondria
    • Golgi and lysosomes
    • rER and Golgi
  20. Which sequence directs a ribosome synthesising a secretory protein to the rough ER?

    • Promoter sequence
    • Intron sequence
    • Stop codon
    • Signal sequence

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