Homework Answers
A. ER
I. The main function of ER is in synthesis, folding, modification and transport of protein.
ii. SRP receptor protein help deliver proteins into the ER
B. Golgi
I. The main function of Golgi is modifying, sorting and excretion of proteins. It also has function in lipid synthesis and also in lysosome formation.
ii. KDEL receptor is a receptor protein that helps recognise proteins from ER to Golgi
C. Lysosome
I. the main function of lysosome is to degrade disfunctional organelles, bacteria, viruses and any foreign peptides or proteins that enter the cell.
ii. V-class proton pumps and amino acid transporters are the receptor proteins that help recognise proteins from Golgi to lysosome
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i opis) For the following organelles, please provide: 0 One function of the organelle ("ine receptor...
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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...
Which of the following organelles is correctly paired with its function? a. smooth endoplasmic reticulum; metabolism...
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MacBook Air Quliy What is the main function of chaperones 7 Select one: a. They help...
MacBook Air Quliy What is the main function of chaperones 7 Select one: a. They help fold RNA b. They help fold proteins c. They help form vesicles d. They help degrade molecules e. They help fold DNA Question 7 Not yet answered Marked out of 10 Flag question Question text Without a signal sequence, a protein will be: Select one: a. translocated into the ER. b. localized to the cytoplasm. C. secreted, d. Imported into the nucleus. e. imported...
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
QUESTION 10 In which of the following organelles would you expect to first find a protein...
QUESTION 10 In which of the following organelles would you expect to first find a protein destined to be secreted from a cell A. None of these answers are correct B. Endosome C. Secretory vesicle D. Lysosome E. Golgi apparatus F. Different types of secreted proteins originate from different parts of the cell.
please answer both Which of the following is NOT TRUE regarding both M6P and KDEL receptors?...
please answer both
Which of the following is NOT TRUE regarding both M6P and KDEL receptors? Select one: a. They help transport cargo to their proper destinations b. They bind to cargo proteins in the Golgi apparatus. c. They are transported by vesicle budding and fusion, d. They move back-and-forth between different organelles. O e. They release soluble cargo proteins at lower pH. Which of these is NOT a function of the Signal Recognition Particle (SRP) involved in transport of...
You are researching organelle function and you expose cells to a drug that disrupts transport from...
You are researching organelle function and you expose cells to a drug that disrupts transport from the ER to the Golgi apparatus. What other organelles and membranes would be affected? Pick one answer below and EXPLAIN YOU ANSWER FOR FULL CREDIT. A. lysosomes, vesicles, plasma membrane B. lysosomes, mitochondira, plasma membrane C. vacuoles, mitochondria, plasma membrane D. lysosomes, vacuoles, peroxisomes E. all intracellular organelles and membranes
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...
I-cell disease is a particularly severe form of lysosomal storage disease. Multiple enzymes are lacking in...
I-cell disease is a particularly severe form of lysosomal storage disease. Multiple enzymes are lacking in the lysosome and the organelle becomes stuffed with nondegraded material and therefore generates a so-called inclusion body. I-cell disease is inherited; it is caused by a single gene defect in the N-acetylglucosamine phosphotransferase that is required for the formation of mannose 6-phosphate (M6P) residues on lysosomal enzymes in the cis-Golgi. This enzyme recognizes soluble lysosomal enzymes as a class and hence a defect in...
please answer me this 1.How are most ER proteins recognized and delivered to the right location?...
please answer me this
1.How are most ER proteins recognized and delivered to the right location? A. The genes encoding ER proteins are located at the ER. B. ER proteins all have a similar shape or conformation. C. ER proteins have a common sequence of amino acids. D. ER proteins move themselves to the correct organelle. 2.Importin is a receptor protein that helps bring nuclear cargo proteins from the cytoplasm to the nucleus. To do this, importin binds cargo in...
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...
MacBook Air Quliy What is the main function of chaperones 7 Select one: a. They help fold RNA b. They help fold proteins c. They help form vesicles d. They help degrade molecules e. They help fold DNA Question 7 Not yet answered Marked out of 10 Flag question Question text Without a signal sequence, a protein will be: Select one: a. translocated into the ER. b. localized to the cytoplasm. C. secreted, d. Imported into the nucleus. e. imported...
QUESTION 10 In which of the following organelles would you expect to first find a protein destined to be secreted from a cell A. None of these answers are correct B. Endosome C. Secretory vesicle D. Lysosome E. Golgi apparatus F. Different types of secreted proteins originate from different parts of the cell.
please answer both
Which of the following is NOT TRUE regarding both M6P and KDEL receptors? Select one: a. They help transport cargo to their proper destinations b. They bind to cargo proteins in the Golgi apparatus. c. They are transported by vesicle budding and fusion, d. They move back-and-forth between different organelles. O e. They release soluble cargo proteins at lower pH. Which of these is NOT a function of the Signal Recognition Particle (SRP) involved in transport of...
please answer me this
1.How are most ER proteins recognized and delivered to the right location? A. The genes encoding ER proteins are located at the ER. B. ER proteins all have a similar shape or conformation. C. ER proteins have a common sequence of amino acids. D. ER proteins move themselves to the correct organelle. 2.Importin is a receptor protein that helps bring nuclear cargo proteins from the cytoplasm to the nucleus. To do this, importin binds cargo in...
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