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Cell Biology Practice Test: Cytoplasmic Membrane Systems
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Topics include: Endomembrane Basics, Endomembrane System, Endoplasmic Reticulum, Golgi Complex, Vesicle Transport, Lysosomes, Plant Cell Vacuoles, Endocytosis, & Post-translational Uptake. Cytoplasmic membrane systems are biological membranes that separate and protect the interior of a cell from the outside environment. They are also known as the plasma membrane or cell membrane.  Cytoplasmic membranes are made up of roughly equal parts lipids and proteins. The main lipid components are phospholipids, which vary in length, saturation, and branching.  Cytoplasmic membranes have several... Show more
Cell Biology Practice Test: Cytoplasmic Membrane Systems
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25 Questions

1. In autophagy, the organelle’s to be ingested are covered by a ______________
2. There are ______ types of secretory activities of a cell.
3. Which enzymes are responsible for detoxification of organic compounds carried out by the smooth endoplasmic reticulum?
4. The enzyme N-acetylglucosamine phosphotransferase is responsible for ____________
5. Receptor down regulation leads to a decrease in the sensitivity of the cell towards further stimulation.
6. In the endocytic pathway, materials are discharged from the cell.
7. Most of the proteins of mitochondria are synthesized in the ______________
8. Following internalization, vesiclebound materials are transported to _________________
9. A molecule of clathrin has a ______________ structure.
10. Hydrophobic transmembrane segments of which proteins are not synthesized in the endoplasmic reticulum?
11. When a cell is in nutrient deprived state, autophagy increases.
12. Which of the following biomolecules are not synthesized by the endoplasmic reticulum?
13. The membranes of rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER) are continuous.
14. ARF1 is a _______ binding protein.
15. Which of the following is a type of endocytosis?
16. COPI-coated vesicles move the materials in __________________ direction.
17. Which protein families do not mechanically support the Golgi complex?
18. Eough endoplasmic reticulum imports its proteins posttranslationally.
19. Dynamin is a _____________________
20. Tonoplast is a ___________
21. Which technique was used to study the secretory pathway in acinar cells of the pancreas for the first time?
22. A protein coat of diameter ________ is present on the transport vesicles.
23. Lipofuscin granules decrease in number as individual grows older.
24. Sarcoplasmic reticulum is found in ________________
25. GTP-bound ‘Rabs’ (G-proteins) associated with membranes by a __________ anchor.