A protein has 8 stop transfer signals. How many transmembrane domains does it have? A. 1...
A protein has 8 stop transfer signals. How many transmembrane domains does it have?
A. 1
B. 4
C. 8
D. 16
Homework Answers
Ans- stop-transfer sequence- 8 hydrophobic amino acid sequence, followed by either N terminal signal sequence or a start transfer sequence. the stop-transfer signal sequence is a transmembrane or membrane crossing domain and remains in the membrane.
so a protein has 8 stop transfer sequence than this protein has 8 transmembrane domains.
so correct option is C
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A protein has 8 stop transfer signals. How many transmembrane
domains does it have?
A. 1...
Please also explain why! Thank you! 18) You want to design an ER transmembrane protein with...
Please also explain why! Thank you!
18) You want to design an ER transmembrane protein with three transmembrane domains with the N-terminal in the ER lumen and the C-terminal in the cytosol. Which of the following arrangement(s) of signals will be required to attain such a topology? A. From N-terminal: signal sequence, start-transfer signal, stop-transfer signal. B. From N-terminal: signal sequence, start-transfer signal, stop-transfer signal, start-transfer signal. C. From N-terminal: signal sequence, stop-transfer signal, start-transfer signal. D. From N-terminal: start-transfer...
For her research project, Anneka found this great website to predict the transmembrane domains of secretory...
For her research project, Anneka found this great website to predict the transmembrane domains of secretory proteins. An algorithm allows estimating the hydrophobicity of amino acid stretches in the sequence of secretory proteins. Hydrophobic stretches are plotted with positive values on the Y-axis. On the X-axis, Anneka can see the protein sequence expressed as amino acid number, with N-terminus at the intersection with the Y-axis. Example of prediction of TMD domains (a) Human growth hormone receptor (type 1) Nw Signal...
6a. You have found a new protein of interest: this protein has a transmembrane domain (as...
6a. You have found a new protein of interest: this protein has a transmembrane domain (as predicted by hydropathy analysis). You want to confirm this and determine which portion of the protein is outside the cell and which portion is inside the cell. You begin with a protease protection assay, the results are below. Does this protein most likely have a transmembrane domain? Is the larger portion inside the cell or outside the cell? Is there anything wrong with the...
1. You have identified a new protein and predict it is a transmembrane protein due to...
1. You have identified a new protein and predict it is a transmembrane protein due to its AA sequence analysis. How would determine where the protein is located in the cell? A. Extract all the proteins from the cell and analyze them on a protein gel. B.Use Polymerase Chain Reaction (PCR) to amplify the protein. C. Use an fluorescent antibody to the protein and allow it to bind to the cells. D Isolate the RNA for the protein and use...
An adrenaline receptor is a transmembrane protein that has a signaling domain on the inside of...
An adrenaline receptor is a transmembrane protein that has a signaling domain on the inside of the cell that is activated after adrenaline binds to it on the outside of the cell. Which direction does the signaling domain face when it is in the Golgi apparatus for processing? A. Extracellular B. Cytosol C. Nucleus D. Lumen
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many signals does cinnamaldehyde have?
Cinnamaldehyde
Question 6 Which of the following statements regarding a protein with 4 domains must be true?...
Question 6 Which of the following statements regarding a protein with 4 domains must be true? A protein with 4 domains must have 4 different kinds of secondary structures. O A protein with 4 domains must be composed of 4 polypeptide chains. A protein with 4 domains must have 4 regions that fold independently. A protein with 4 domains must have a quaternary structure. Question 7 Histone proteins are typically... o rich in disulfide bonds O composed of a random...
A protein has a sequence of 100amino acids, how many nucleotides does the mRNA strand that...
A protein has a sequence of 100amino acids, how many nucleotides does the mRNA strand that encodes it have? (choose the best answer) a.400 b.100 c.200 d.300
6) How many signals does the IH NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5...
6) How many signals does the IH NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5 C)6 D) E) 6) 7) - 7) What is the main intramolecular force between two molecules of propanoic acid? A) London dispersion forces B) hydrogen bonding C) dipole-dipole interaction D) induced dipole interactions E) none of the above 8) The best leaving group is a A) weak acid. B) strong base C) strong acid. D) weak base. E) none of the above. 9) 9)...
1. why might a protein have multiple domains. 2.why a protein might be comprised of more...
1. why might a protein have multiple domains. 2.why a protein might be comprised of more than one chain. 3.why a protein structure might show gaps when the real protein has none. 4.why a protein might bind nucleic acids. 5.why a protein might have disulfide bonds. 6. are ligands important for function or just artifacts of the structure process? 7. Why would the surface of a membrane-bound protein have a different polarity from a soluble one?
Please also explain why! Thank you!
18) You want to design an ER transmembrane protein with three transmembrane domains with the N-terminal in the ER lumen and the C-terminal in the cytosol. Which of the following arrangement(s) of signals will be required to attain such a topology? A. From N-terminal: signal sequence, start-transfer signal, stop-transfer signal. B. From N-terminal: signal sequence, start-transfer signal, stop-transfer signal, start-transfer signal. C. From N-terminal: signal sequence, stop-transfer signal, start-transfer signal. D. From N-terminal: start-transfer...
For her research project, Anneka found this great website to predict the transmembrane domains of secretory proteins. An algorithm allows estimating the hydrophobicity of amino acid stretches in the sequence of secretory proteins. Hydrophobic stretches are plotted with positive values on the Y-axis. On the X-axis, Anneka can see the protein sequence expressed as amino acid number, with N-terminus at the intersection with the Y-axis. Example of prediction of TMD domains (a) Human growth hormone receptor (type 1) Nw Signal...
6a. You have found a new protein of interest: this protein has a transmembrane domain (as predicted by hydropathy analysis). You want to confirm this and determine which portion of the protein is outside the cell and which portion is inside the cell. You begin with a protease protection assay, the results are below. Does this protein most likely have a transmembrane domain? Is the larger portion inside the cell or outside the cell? Is there anything wrong with the...
how
many signals does cinnamaldehyde have?
Cinnamaldehyde
Question 6 Which of the following statements regarding a protein with 4 domains must be true? A protein with 4 domains must have 4 different kinds of secondary structures. O A protein with 4 domains must be composed of 4 polypeptide chains. A protein with 4 domains must have 4 regions that fold independently. A protein with 4 domains must have a quaternary structure. Question 7 Histone proteins are typically... o rich in disulfide bonds O composed of a random...
6) How many signals does the IH NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5 C)6 D) E) 6) 7) - 7) What is the main intramolecular force between two molecules of propanoic acid? A) London dispersion forces B) hydrogen bonding C) dipole-dipole interaction D) induced dipole interactions E) none of the above 8) The best leaving group is a A) weak acid. B) strong base C) strong acid. D) weak base. E) none of the above. 9) 9)...
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