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
-
Where are proteins destined for secretion synthesised in a eukaryotic cell?
- Mitochondrial matrix
- Cytoplasmic ribosomes
- Rough ER ribosomes
- Golgi apparatus
-
What is the main role of the Golgi apparatus?
- Synthesising DNA
- Producing ATP
- Synthesising lipids
- Modifying proteins
-
Which structures transport proteins from the rough endoplasmic reticulum to the Golgi apparatus?
- Lysosomes
- Nuclear pores
- Transport vesicles
- Centrioles
-
What process involves vesicles fusing with the cell membrane to release contents externally?
- Phagocytosis
- Exocytosis
- Endocytosis
- Pinocytosis
-
Which digestive enzyme is secreted by the pancreas into the duodenum?
- Pepsin
- Catalase
- Amylase
- Lysozyme
-
What is the correct pathway for a protein destined for secretion?
- Golgi to rER
- rER to nucleus
- Golgi to nucleus
- rER to Golgi
-
Which group is added to proteins during glycosylation in the Golgi apparatus?
- Carbohydrates
- Lipids
- Phosphate groups
- Nucleic acids
-
Which organelle is most prominent in a cell that secretes large amounts of protein?
- Lysosome
- Chloroplast
- Rough ER
- Smooth ER
-
What is the main role of the Golgi apparatus in a protein-secreting cell?
- Translating mRNA
- Modifying and packaging
- Synthesising amino acids
- Storing glycogen
-
Which process releases an extracellular enzyme from a secretory vesicle outside the cell?
- Exocytosis
- Pinocytosis
- Endocytosis
- Phagocytosis
-
If Golgi packaging fails, where do secretory proteins accumulate within the cell?
- Inside the Golgi
- Outside the cell
- In the nucleus
- Inside lysosomes
-
Which structures attached to the endoplasmic reticulum give it a rough appearance?
- Peroxisomes
- Ribosomes
- Lysosomes
- Microtubules
-
Which organelle is involved in forming lysosomes?
- Centriole
- Golgi apparatus
- Mitochondrion
- Nucleolus
-
Which structures surround a Golgi apparatus that is actively involved in secretion?
- Circular plasmids
- Transport vesicles
- Thylakoid membranes
- Nuclear pores
-
What type of secretory products are produced by pancreatic acinar cells?
- Steroid hormones
- Structural phospholipids
- Digestive enzymes
- Nucleic acids
-
Which process occurs when Golgi vesicles fuse with the plasma membrane during secretion?
- Facilitated diffusion
- Exocytosis
- Active transport
- Osmosis
-
What happens to a protein as it passes through the Golgi apparatus?
- Ribosome assembly
- Modification and sorting
- Peptide bond cleavage
- DNA transcription
-
If vesicle transport from the rough ER is blocked, where do secreted proteins accumulate?
- Golgi apparatus
- Rough ER lumen
- Extracellular fluid
- Cytoplasm
-
Which two organelles work together to synthesise and export extracellular enzymes?
- Nucleus and ribosomes
- Smooth ER and mitochondria
- Golgi and lysosomes
- rER and Golgi
-
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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