Homework Answers
1. The surface of the rough endoplasmic reticulum (often abbreviated RER or Rough ER) (also called granular endoplasmic reticulum) is studded with protein-manufacturing ribosomes giving it a "rough" appearance (hence its name). The binding site of the ribosome on the rough endoplasmic reticulum is the translocon.
Functions:The endoplasmic reticulum serves many general functions, including the folding of protein molecules in sacs called cisternae and the transport of synthesized proteins in vesicles to the Golgi apparatus.
2. RIBOSOMES.
- APPARATUS/GOLGI BODY.
- LYSOSOMES.
- MITOCHONDRIA.
3. Cytoskeleton Parts:
- Actin filaments (also called microfilaments)
- Intermediate filaments and.
- Microtubules.
Functions: It forms a framework for the movement of organelles around the cytoplasm - most of the organelles are attached to the cytoskeleton. The network consists of protein microfilaments, intermediate filaments, and microtubules. The cytoskeleton provides an important structural framework for: Cell shape.
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List all the parts of the Endoplasmic Membrane System, and their functions List 3 organelles not...
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Which of the following organelles functions as the site where most cell membrane components, as well...
Which of the following organelles functions as the site where most cell membrane components, as well as materials destined for export from the cell, are made? A.) Golgi apparatus B.) Endoplasmic reticulum C.) Mitochondrion D.) Peroxisome E.) Lysosome
Match the functions listed on the left to the subcellular organelles responsible for those functions listed...
Match the functions listed on the left to the subcellular organelles responsible for those functions listed on the right. Question 6 options: 12345678910 sub-cellular organellse actually responsible for the packaging of cellular proteins that must be contained within membrane-bound vesicle. Proteins 'packaged' by these organelles would include hydrolytic digestive enzymes that are used within the cell but must be sequestered away from other parts of the cell so they don't digest the cell itself, or enzymes like catalases and dismutases...
hich of the following organelles are the destination for proteins synthetized by cytosolic ribosomes Peroxisomes, endoplasmic...
hich of the following organelles are the destination for proteins synthetized by cytosolic ribosomes Peroxisomes, endoplasmic reticulum, and the Golgi apparatus The Golgi apparatus, lysosomes, and the nucleus Peroxisomes, mitochondria, and lysosomes Peroxisomes, mitochondria, and the nucleus Mitochondria, lysosomes, and the nucleus What is the fate of N-terminus signal peptide after it directs the protein to the ER translocator O It is linked to the transported protein by S-S bond It is cleaved and then released into the membrane It...
1. name 3 kinds of organelles that are components of the cell's endomembrane system. briefly describe...
1. name 3 kinds of organelles that are components of the cell's endomembrane system. briefly describe the function of each component. 2. define cytoskeleton. how does it aid in cell function? 3. distinguish between chromosomes and chromatin.
Which of the following statements about membrane-enclosed organelles is true
Which of the following statements about membrane-enclosed organelles is true A. The nucleus is the only organelle in animal cells enclosed by a double membrane. B. The surface area of the ER far exceeds that of the plasma membrane of a typical cell. C. All of these statements are true D. The Golgi apparatus descends from a bacterial origin via endosymbiosis. E. Most proteins are synthesized in the organelles in which they reside. F. None of these statements are true
3) Vesicles move between the plasma membrane and other organelles in very specific, highly organized processes....
3) Vesicles move between the plasma membrane and other organelles in very specific, highly organized processes. (20 points) a) How are transport vesicles formed? What are the major steps and components of vesicle formation? How does vesicle formation differ in transport from the plasma membrane? To/from the ER? ToTo/from the Golgi apparatus? Endosome TGN O Golgi comples Nucleus
Put a check in the appropriate column(s) to indicate whether the following organelles are found in plant cells, animal cells or both.
Site where ribosomes are madeThe membrane surrounding the cellProvides support for the cell, has two "subparis"Name for the collection of DNA in the nucleus of eukaryotic cellsConsist of hollow tubes which provide support for the cellSmall hair-like structures used for movement or sensing thingsComposed of a phospholipid bilayerLonger whip-like structures used for movementPut a check in the appropriate column(s) to indicate whether the following organelles are found in plant cells, animal cells or both. OrganellePlant CellsAnimal CellsCell WallVesicleChloroplastChromatinCytoplasmCytoskeletonEndoplasmic reticulumGolgi apparatusOrganellePlant CellsAnimal...
Question 13 Cells and all organelles within a cell are wrapped in a lipid bilayer membrane...
Question 13 Cells and all organelles within a cell are wrapped in a lipid bilayer membrane What is the purpose of the membrane? 1. To facilitate transcription and translation of new proteins 2. To permanently stop the movement of molecules from one area to another 3. To catalyze chemical reactions 4. To compartmentalize chemical reactions
Using Figure 4.15, list the organelles of the endomembrane system and briefly describe their functions. 1. 2. 3. 4. 5. 6. Describe each of the parts of Figure 4.30. Figure 4.15 Review: Relationships among organelles of the endomembrane system. The red arrows show some of the migration pathways for membranes and the materials they enclose. Nucleus The nuclear envelope is connected to the rough ER, H which is also continuous with the smooth ER. Jaun Nuclear envelope Rough ER Smooth...
hich of the following organelles are the destination for proteins synthetized by cytosolic ribosomes Peroxisomes, endoplasmic reticulum, and the Golgi apparatus The Golgi apparatus, lysosomes, and the nucleus Peroxisomes, mitochondria, and lysosomes Peroxisomes, mitochondria, and the nucleus Mitochondria, lysosomes, and the nucleus What is the fate of N-terminus signal peptide after it directs the protein to the ER translocator O It is linked to the transported protein by S-S bond It is cleaved and then released into the membrane It...
3) Vesicles move between the plasma membrane and other organelles in very specific, highly organized processes. (20 points) a) How are transport vesicles formed? What are the major steps and components of vesicle formation? How does vesicle formation differ in transport from the plasma membrane? To/from the ER? ToTo/from the Golgi apparatus? Endosome TGN O Golgi comples Nucleus
Question 13 Cells and all organelles within a cell are wrapped in a lipid bilayer membrane What is the purpose of the membrane? 1. To facilitate transcription and translation of new proteins 2. To permanently stop the movement of molecules from one area to another 3. To catalyze chemical reactions 4. To compartmentalize chemical reactions
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