You genetically engineered a cell to no longer contain the extracellular domain of an integrin. What is the most likely effect of losing this domain on the cell's ability to bind? It would affect the cell's ability to attach to the ECM. It would affect both the cell's ability to attach to other cells and the cell's ability to attach to the cytoskeleton. It would affect the cell's ability to attach to the cytoskeleton through adaptor proteins. It would have no effect on the cell's ability to attach to anything

You genetically engineered a cell to no longer contain the extracellular domain of an integrin. What is the most likely effect of losing this domain on the cell's ability to bind? It would affect the cell's ability to attach to the ECM. It would affect both the cell's ability to attach to other cells and the cell's ability to attach to the cytoskeleton. It would affect the cell's ability to attach to the cytoskeleton through adaptor proteins. It would have no effect on the cell's ability to attach to anything

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 11RE

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You genetically engineered a cell to no longer contain the extracellular domain of an integrin. What is the most likely effect of losing this domain on the cell's ability to bind? It would affect the cell's ability to attach to the ECM. It would affect both the cell's ability to attach to other cells and the cell's ability to attach to the cytoskeleton. It would affect the cell's ability to attach to the cytoskeleton through adaptor proteins. It would have no effect on the cell's ability to attach to anything.
List and describe the three main types of cytoskeleton. If you wanted to do immunocytochemistry to specifically stain each type of cytoskeleton, what is a protein that could be used for each cytoskeletal type (in other words, what is a unique protein for each cytoskeletal type)? What are three types of actin structures? Describe the involvement of actin structures in cell migration. How is the growth and shrinking of microtubules regulated? Then describe the roles of microtubules in: chromosomal separation during mitosis and the movement of organelles and vesicles within a cell. Describe a possible mechanism on how signaling pathways might impact the cytoskeleton, so that cell migration could be regulated in a localized manner within a multicellular organism. (hint: think about the possible transcriptional regulation of the G-protein regulators) What are 2 main challenges of protein targeting? Then describe one way these challenges are overcome during signal-based targeting and one way…
You genetically engineered a cell to no longer contain the extracellular domain of an integrin. What is the most likely effect of losing this domain on the cell's ability to bind? A It would affect the cell's ability to attach to the ECM. B It would have no effect on the cell's ability to attach to anything. C It would affect the cell's ability to attach to the cytoskeleton through adaptor proteins. D It would affect both the cell's ability to attach to other cells and the cell's ability to attach to the cytoskeleton.
Please answer fast Explain why the activation of phospholipid scramblases facilitates the uptake and disposal of apoptotic cells?
Please answer fast How would the LWS opsin protein differ if the amino acid change at position 180 never occurred?
What is a microfilament? A. A cytoskeletal element composed of tubulin that forms a dynamic scaffolding for many cellular processes involving movement B. A type of energy-using protein that interacts with cytoskeletal elements to move the cell C. A stable cytoskeletal element composed of fibrous proteins that structurally supports cells and tissues D. A cytoskeletal element made of actin that reinforces cell membranes and functions in cell movement
Fill in the blank sentences below: ________ is a protein-lined channel in the nuclear envelope that regulates the transportation of molecules between the nucleus and the cytoplasm; inside the nucleus , ________________ process happens which involve making an RNA copy of a gene sequence known as ____ molecule, that leaves the cell nucleus through the ______ and enters the cytoplasm where it binds to a ________ that serves as a template for ______ that directs the synthesis of the protein, which it encodes; ribosomes are of two kinds, one is floating in the cytoplasm which is the ______ribosome while the other is attach to ER known as ___ ribosome; proteins in the cell can be packaged, modify and distribute by the __________ and can be delivered to an organelle that produce ATP which is the _____.
You are using fluorescence microscopy to study a plasma membrane protein that is fused to green fluorescent protein (GFP). Adding GFP to a protein allows us to monitor the protein in live cells using light microscopy without the need for any special stains. Under baseline conditions, the fusion protein is evenly distributed over the surface of the cell. You use the microscope software and laser to photobleach an ROI and watch for the recovery of fluorescence in real time. you have a control protein, a GFP fusion with the insulin receptor, where the ROI fully recovers from photobleaching in 10 min. However, when Protein X is fused with GFP, the fluorescence recovers only to 10% the starting levels in 10 min in the same cell type under the same experimental conditions. Provide two different, reasonable explanations for the different results with these two fusion proteins.
Answer Structures Function Centrioles 1. Composed of proteins and rRNAs Cytosol 2. Region in prokaryotes contains a chromosome Golgi complex 3. ring of nine outer microtubule doublets (9+2 axoneme) Plasma membrane 4. Support the cell and protect against plasmolysis Ribosome 5. Composed of glycoprotein(s) and involved in transferring material into or out of the cell Transporters 6. contain hydrolytic enzymes and involved in autophagy Receptor 7. Composed of microtubules and sweep mucus out of respiratory tract Peroxisome 8. Controls which material can get in or out of the cell Nucleoid 9. Contains chromosomes and has nuclear envelope Cilia 10. Maintain membrane fluidity 11. contains necessary enzymes for that…
Answer Structures Function Centrioles 1. Composed of proteins and rRNAs Cytosol 2. Region in prokaryotes contains a chromosome 3. ring of nine outer microtubule doublets (9+2 axoneme) Plasma membrane 4. Support the cell and protect against plasmolysis Ribosome 5. Composed of glycoprotein(s) and involved in transferring material into or out of the cell Transporters 6. contain hydrolytic enzymes and involved in autophagy Receptor 7. Composed of microtubules and sweep mucus out of respiratory tract 14 Peroxisome 8. Controls which material can get in or out of the cell 2 Nucleoid 9. Contains chromosomes and has nuclear envelope 3 Cilia 10. Maintain membrane fluidity 11. contains…
The following are steps that occur when a protein is targeted for synthesis on the endoplasmic reticulum (ER). Which of the following indicates the correct sequence for the signal mechanism that targets proteins for the ER? The SRP leaves and polypeptide synthesis resumes, with simultaneous translocation across the membrane. Polypeptide synthesis begins on a free ribosome in the cytosol. An SRP binds to the signal peptide, halting synthesis momentarily. The rest of the completed polypeptide leaves the ribosome and folds into its final conformation. The SRP binds to a receptor protein in the ER membrane that is part of a protein complex that forms a pore. The signal peptide is cleaved by an enzyme in the receptor protein complex. A. 2, 3, 5, 1, 6, 4 B. 2 ,3, 5, 6, 1, 4 C. 3, 1, 6, 5, 2, 4 D. 3, 2, 1, 5, 6, 4
Which of the following is NOT a function of membrane-embedded proteins?Choose one:A. Membrane-embedded proteins can form the base of structures that extend out of the cell (such as flagella and pili).B. Membrane-embedded proteins can store important inheritable information that is needed by the cell.C. Membrane-embedded proteins can serve as receptors that detect specific environmental conditions.D. Membrane-embedded proteins can import or export specific molecules through the membrane.