Which form of anchoring proteins in the membrane allows for the easiest release and reattachment of...
Which form of anchoring proteins in the membrane allows for the easiest release and reattachment of a protein?
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A. Farnesyl |
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B. Geranylgeranyl |
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C. GPI |
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D. Myristoyl |
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E. Thioether |
Homework Answers
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Which form of anchoring proteins in the membrane allows for the
easiest release and reattachment of...
36. Proteins attached to the outer half of the plasma membrane bilayer are usually attached by...
36. Proteins attached to the outer half of the plasma membrane bilayer are usually attached by a a. farnesyl tail. b. glycosylphosphatidylinositol (GPl) anchor. c. prenyl tail. d. geranyl tail. e. None of the above 37. The unfolded protein response involves a. general inhibition of protein synthesis. b. increased synthesis of chaperones. c. increased activity of proteosomes. d. All of the above e. None of the above
Which protein modification does NOT take place in the ER lumen? A. Polyubiquitylation &nbs
Which protein modification does NOT take place in the ER lumen? A. Polyubiquitylation B. N-linked glycosylation C. Cysteine bridge formation D. chaperone-mediated folding E. GPI anchoring 2. Which of these Eukaryotic proteins is least likely to exhibit an ER import sequence during translation? A. Glutathione B. CFTR C. Protein disulfide isomerase D. Acetylcholine receptor E. Na+-K+-ATPase 3. Which function is NOT attributed correctly to either smooth ER (SER) or rough ER (RER)?...
Determine whether the following classes of proteins are synthesized on free ribosomes or ER docked ribosomes....
Determine whether the following classes of proteins are synthesized on free ribosomes or ER docked ribosomes. a) Single-pass membrane proteins b) Multi-pass membrane proteins c) Peripheral membrane proteins (on the cytosolic side) d) Peripheral membrane proteins (on the luminal side) e) Peripheral membrane proteins (on the extracellular side) f) Fatty acid-anchored membrane proteins g) GPI- anchored membrane proteins - Where would a protein likely go if you were to remove a characteristic hydrophobic membrane spanning domain?
treatment with high salt would release which protein or proteins from the bilayer? Box Smartwork 03/06/20...
treatment with high salt would release which protein or
proteins from the bilayer?
Box Smartwork 03/06/20 70% 1st attempt See Hint To study the structure of a particular membrane protein, the target protein is usually removed from the membrane and separated from other membrane proteins. Shown below are three different proteins associated with the cell membrane. Treatment with high salt would release which protein or proteins from the bilayer? Choose one or more wowo 14 OF 17 OUESTIONS COMPLETED <...
34. Which of the following membrane-enclosed organelles is the site of synthesis of membrane proteins and secretory proteins?
34. Which of the following membrane-enclosed organelles is the site of synthesis of membrane proteins and secretory proteins? a) rough endoplasmic reticulum b) smooth endoplasmic reticulum c) nucleus d) centrosome e) Golgi complex 35. Which of the following membrane-enclosed organelles modifies, s destined for other regions of the cell? sorts, and packages proteins a) endoplasmic reticulum b) Golgi complex c) peroxisomes d) nucleus e) proteasome 36. Which of the following membrane-enclosed organelles contains several oxidases that are involved in oxidation of fatty acids and...
1. Explain how the amphipathic nature of membrane proteins helps form the three-dimensional structure of a...
1. Explain how the amphipathic nature of membrane proteins helps form the three-dimensional structure of a single-pass protein like a receptor, versus a multipass protein like a channel. 2. Describe the different ways by which cells confine proteins or restrict protein movement to a specific region of the plasma membrane
Hydropathy analysis of a membrane protein's amino acid sequence predicts the protein's transmembrane segments and orientation...
Hydropathy analysis of a membrane protein's amino acid sequence predicts the protein's transmembrane segments and orientation in the membrane. It is necessary to confirm those predictions with experimental analysis. One experimental approach for plasma membrane proteins is to use the protease trypsin to digest extracellular domains of these proteins. (Trypsin is hydrophilic and cannot cross the plasma membrane to enter the cell.) When added to cells, trypsin digests the hydrophilic portions of plasma membrane proteins exposed outside the cell into...
27) Lipids are used: a) to form the membrane of the cell b) to make proteins...
27) Lipids are used: a) to form the membrane of the cell b) to make proteins c) to replenish amino acids d) to organize the DNA of the cell e) to form water 28) Fatty acid tails are: a) hydrophilic b) hydrophobic e) amphipathic d) hydropathic e) hydrogen deficient 29) The sugar found in RNA is: a) glucose b) galactose c) ribose d) maltose e) dextrose 30) The sugar found in DNA has how many carbons: a) 1 b) 2...
Toofs 34. Which of the following is a kinase involved in the recognition and removal of...
Toofs 34. Which of the following is a kinase involved in the recognition and removal of misfo lded proteins A) ATF6 B) Bip C) PERK D) A and B E) All of the above 35. A GPI anchored protein will finally reside where A) In the Golgi B) In the ElR C) In the plasma membrane facing the cytosol D) In the plasma membrane facing the extracellular environment E) In the lysosome 36. Manmose-6-phosphate (M6P) is the single to be...
7. Describe the effect of each of the treatments below on the various types of membrane...
7. Describe the effect of each of the treatments below on the various types of membrane proteins. Would the treatment release a peripheral protein from the membrane? An integral protein? A peripheral protein covalently attached to a lipid anchor? a) Changes in pH b) Changes in ionic strength c) Detergent d) Urea e) Phospholipase C
36. Proteins attached to the outer half of the plasma membrane bilayer are usually attached by a a. farnesyl tail. b. glycosylphosphatidylinositol (GPl) anchor. c. prenyl tail. d. geranyl tail. e. None of the above 37. The unfolded protein response involves a. general inhibition of protein synthesis. b. increased synthesis of chaperones. c. increased activity of proteosomes. d. All of the above e. None of the above
treatment with high salt would release which protein or
proteins from the bilayer?
Box Smartwork 03/06/20 70% 1st attempt See Hint To study the structure of a particular membrane protein, the target protein is usually removed from the membrane and separated from other membrane proteins. Shown below are three different proteins associated with the cell membrane. Treatment with high salt would release which protein or proteins from the bilayer? Choose one or more wowo 14 OF 17 OUESTIONS COMPLETED <...
27) Lipids are used: a) to form the membrane of the cell b) to make proteins c) to replenish amino acids d) to organize the DNA of the cell e) to form water 28) Fatty acid tails are: a) hydrophilic b) hydrophobic e) amphipathic d) hydropathic e) hydrogen deficient 29) The sugar found in RNA is: a) glucose b) galactose c) ribose d) maltose e) dextrose 30) The sugar found in DNA has how many carbons: a) 1 b) 2...
Toofs 34. Which of the following is a kinase involved in the recognition and removal of misfo lded proteins A) ATF6 B) Bip C) PERK D) A and B E) All of the above 35. A GPI anchored protein will finally reside where A) In the Golgi B) In the ElR C) In the plasma membrane facing the cytosol D) In the plasma membrane facing the extracellular environment E) In the lysosome 36. Manmose-6-phosphate (M6P) is the single to be...
7. Describe the effect of each of the treatments below on the various types of membrane proteins. Would the treatment release a peripheral protein from the membrane? An integral protein? A peripheral protein covalently attached to a lipid anchor? a) Changes in pH b) Changes in ionic strength c) Detergent d) Urea e) Phospholipase C
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