CH 10: Protein Sorting & Vesicular Trafficking - (Quiz Mode) Flashcards
The Region of the ER from which Proteins EXIT for the Golgi Apparatus.
- Autophagosome
- Signal peptidase
- Transitional ER
- Golgi stack
- Signal patch
Transitional ER
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A modified Mannose residue that targets Proteins to Lysosomes.
- Endosome
- Mannose-6-Phosphate
- Exocyst
- Secretory Pathway
- Phagosome
Mannose-6-Phosphate
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The Compartments of the Golgi Apparatus w/in which most Metabolic Activities take place.
- Synaptic Vesicle
- Golgi Stack
- SNARE
- Flippase
- Mannose-6-Phosphate
Golgi Stack
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A vesicular compartment involved in the Sorting & Transport to Lysosomes of material taken up by Endocytosis.
- Clathrin
- Mannose-6-phosphate
- Unfolded Protein Response (UPR)
- Endosome
- Endoplasmic Reticulum (ER)
Endosome
A Particle composed of Proteins & RNA that Binds to Signal Sequences & Targets Polypeptide Chains to the Endoplasmic Reticulum.
- Mannose-6-Phosphate
- Signal Recognition Particle (SRP)
- Clathrin-Coated Vesicle
- ER-Associated Degradation (ERAD)
- SRP RNA
Signal Recognition Particle (SRP)
A Transmembrane Protein that MEDIATES Fusion of Vesicle(s) & Target Membranes.
- Microsome
- Flippase
- Exocyst
- SNARE
- Mannose-6-Phosphate
SNARE
The Golgi compartment within which Proteins are Sorted & Packaged to EXIT the Golgi Apparatus.
- SRP receptor
- Unfolded Protein Response (UPR)
- Clathrin-Coated Vesicle
- Mannose-6-Phosphate
- trans-Golgi Network
trans-Golgi Network
A Recognition Determinant formed by the 3-Dimensional Folding of a Polypeptide Chain.
- Signal Sequence
- Phagocytosis
- Signal Patch
- SNARE
- COP-Coated Vesicle
Signal Sequence
The Small Cytoplasmic RNA component of SRP.
- Phagocytosis
- Endoplasmic Reticulum (ER)
- SRP RNA
- Phagosome
- Signal Sequence
SRP RNA
A Protein that CATALYZES the Translocation of Lipids ACROSS the Membrane of the Endoplasmic Reticulum.
- Flippase
- Exocyst
- Mannose-6-Phosphate
- Autophagosome
- Vacuole
Flippase
A Protein Complex on the Plasma Membrane at which Exocytosis occurs.
- Phagolysosome
- Signal Patch
- Translocon
- trans-Golgi Network
- Exocyst
Exocyst
The Movement of Secreted Proteins from the Endoplasmic Reticulum to the Golgi Apparatus and then, within Secretory Vesicles, to the Cell Surface.
- Autophagy
- trans-Golgi network
- Secretory Pathway
- Endosome
- SRP RNA
Secretory Pathway
The UPTAKE of Extracellular Material in Vesicles formed from the Plasma Membrane.
- Golgi Apparatus
- Lysosome
- COPI + COPII
- Endocytosis
- Autophagy
Endocytosis
A Vacuole containing a Particle taken up by Phagocytosis.
- Basolateral Domain
- Autophagosome
- Exocyst
- Phagosome
- Translocon
Phagosome
The Surface Region of a POLARIZED Epithelial Cell that is in contact w/ Adjacent cells or the Extracellular Matrix.
- Clathrin
- COPI + COPII
- Basolateral Domain
- Endocytosis
- Signal Sequence
Basolateral Domain
A Cytoplasmic Organelle containing Enzymes that BREAK DOWN Biological Polymers.
- Endocytosis
- COP-coated Vesicle
- Lysosome
- Clathrin-Coated Vesicle
- Basolateral Domain
Lysosome
The Region of the Golgi Apparatus @ which Proteins ENTER from the Endoplasmic Reticulum.
- cis-Golgi network
- Mannose-6-Phosphate
- trans-Golgi network
- Rough ER
- Basolateral Domain
cis - Golgi network
A Membrane-Enclosed Sac that Transports Proteins from the Golgi Apparatus ⟶ Cell Surface.
- COP-coated Vesicle
- Clathrin-coated Vesicle
- Endoplasmic Reticulum (ER)
- Vacuole
- Secretory Vesicle
Secretory Vesicle
A Cellular Stress Response in which an EXCESS of Unfolded Proteins in the Endoplasmic Reticulum LEADS ⟶ General INHIBITION of Protein Synthesis, ⬆︎ (increased) Expression of Chaperones, & ⬆︎ (increased) Proteasome activity.
- Signal Recognition Particle (SRP)
- Clathrin-coated Vesicle
- Unfolded Protein Response (UPR)
- Phagosome
- Smooth ER
Unfolded Protein Response (UPR)
An Enzyme that CATALYZES the Formation & Breakage of Disulfide (S–S) Linkages.
- Signal Sequence
- Protein Disulfide Isomerase (PDI)
- SRP RNA
- Endoplasmic Reticulum (ER)
- Phagosome
Protein Disulfide Isomerase (PDI)
Transport Vesicles Coated w/ COPI or COPII.
- Golgi apparatus
- Exocyst
- Endosome
- Golgi Stack
- COP-coated Vesicle
COP-coated Vesicle
The Region of the Endoplasmic Reticulum covered w/ Ribosomes & involved in Protein Metabolism.
- Microsome
- Exocyst
- Rough ER
- Unfolded Protein Response (UPR)
- SRP receptor
Rough ER
Large Membrane-Enclosed Sac in the Cytoplasm of Eukaryotic Cells. In Plant Cells, these function to store nutrients and waste products, to degrade macromolecules, and to maintain turgor pressure.
- Signal Patch
- Transitional ER
- Vacuole
- Phagocytosis
- SRP RNA
Vacuole
The Membrane Channel through which Polypeptide chains are Transported into the Endoplasmic Reticulum.
- Lysosomal Storage Disease
- Translocon
- Exocyst
- COP-coated Vesicle
- Clathrin
Translocon
The Degradation of Cytoplasmic Proteins & Organelles by their enclosure in Cytoplasmic Vesicles that fuse w/ Lysosomes.
- trans-Golgi network
- Protein Disulfide Isomerase (PDI)
- Microsome
- Autophagy
- Phagolysosome
Autophagy
A Transport Vesicle Coated w/ Clathrin.
- Autophagy
- Clathrin-Coated Vesicle
- Flippase
- Unfolded Protein Response (UPR)
- Rough ER
Clathrin-coated Vesicle
A Glycolipid containing Phosphatidylinositol that ANCHORS Proteins to the External face of the Plasma Membrane.
- Glycosylphosphatidylinositol (GPI) anchor
- Translocon
- ER-Associated Degradation (ERAD)
- Endocytosis
- Secretory Pathway
Glycosylphosphatidylinositol (GPI) anchor
A Cytoplasmic Organelle involved in the Processing & Sorting of Proteins + Lipids. In Plant cells, it is also the site of the synthesis of cell wall polysaccharides.
- Transitional ER
- Exocyst
- Golgi Apparatus
- ER-Associated Degradation (ERAD)
- Protein Disulfide Isomerase (PDI)
Golgi Apparatus
A Vesicle containing Internal Organelles enclosed by fragments of Cytoplasmic membranes that Fuses w/ Lysosomes.
- Autophagosome
- Microsome
- Phagocytosis
- Rab
- Smooth ER
Autophagosome
A Transmembrane Protein that MEDIATES Fusion of Vesicle & Target membranes.
- Microsome
- Flippase
- Exocyst
- SNARE
- Mannose-6-Phosphate
SNARE
A process in which Misfolded Proteins in the ER are IDENTIFIED + RETURNED ⟶ the Cytosol for Degradation by the Ubiquitin-Proteasome System.
- Exocyst
- ER-Associated Degradation (ERAD)
- Endosome
- trans-Golgi network
- Endocytosis
ER-Associated Degradation (ERAD)
An Extensive Network of Membrane-Enclosed Tubules & Sacs involved in Protein Sorting + Processing a/w/a in Lipid Synthesis.
- COP-coated Vesicle
- Endocytosis
- Endoplasmic Reticulum (ER)
- Rough ER
- Synaptic Vesicle
Endoplasmic Reticulum (ER)
The 2 proteins (other than Clathrin) that Coat Transport Vesicles.
- Glycosylphosphatidylinositol (GPI) Anchor
- Signal Peptidase
- Phagolysosome
- COPI + COPII
- Mannose-6-Phosphate
COPI + COPII
The Region of the Endoplasmic Reticulum that is the Major Site of Lipid Synthesis in Eukaryotic Cells.
- Golgi Apparatus
- Rab
- Smooth ER
- Endocytosis
- Exocyst
Smooth ER
A Protein ON the Membrane of the Endoplasmic Reticulum that BINDS the Signal Recognition Particle (SRP).
- Signal Recognition Particle (SRP)
- Mannose-6-Phosphate
- SRP receptor
- cis-Golgi network
- Secretory Pathway
SRP receptor
Family of Small GTP-binding Proteins that play KEY Roles in Vesicular Transport.
- SRP receptor
- Golgi Apparatus
- Rab
- Autophagy
- Clathrin-coated Vesicle
Rab
A Secretory Vesicle that RELEASES Neurotransmitters @ a Synapse.
- Synaptic Vesicle
- Phagolysosome
- COP-coated Vesicle
- Autophagy
- Autophagosome
Synaptic Vesicle
Family of Diseases characterized by the Accumulation of Undegraded material in the Lysosomes of affected individuals.
- COP-coated Vesicle
- Endosome
- Lysosomal Storage Disease
- Phagocytosis
- Clathrin-coated Vesicles
Lysosomal Storage Disease
A Lysosome that has FUSED w/ a Phagosome or Autophagosome.
- Glycosylphosphatidylinositol (GPI) anchor
- SRP receptor
- Phagolysosome
- Secretory Pathway
- Rough ER
Phagolysosome
The UPTAKE of Large Particles, such as Bacteria, by a Cell, sometimes called “Cell Eating.”
- Autophagosome
- Phagocytosis
- Mannose-6-Phosphate
- Clathrin
- Golgi stack
Phagocytosis
An Enzyme that REMOVES the Signal Sequence of a Polypeptide Chain by Proteolysis.
- Glycosylphosphatidylinositol (GPI) anchor
- Signal Peptidase
- Rough ER
- Golgi Apparatus
- Signal Sequence
Signal Peptidase
A Small Vesicle formed from the Endoplasmic Reticulum when Cells are Disrupted.
- Endocytosis
- Secretory Vesicle
- Phagocytosis
- Microsome
- ER-Associated Degradation (ERAD)
Microsome
The Exposed Free Surface of a Polarized Epithelial Cell.
- Unfolded Protein Response (UPR)
- Signal Patch
- Signal Recognition Particle (SRP)
- Autophagosome
- Apical Domain
Apical Domain
HYDROPHOBIC sequence @ the Amino Terminus of a Polypeptide Chain that Targets it for Secretion in Bacteria or incorporation into the Endoplasmic Reticulum in Eukaryotic Cells.
- Golgi Stack
- Signal Sequence
- Signal Peptidase
- Endosome
- trans-Golgi network
Signal Sequence