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are enzymes that equal distribution of phospholipids 47 PMnsmitter en'asma membrane Flippases b. Scramblase 2. Multipass transmembrane proteins cross the membrane only once. a, d. Glycoproteins 67%( a. True b. False Glycoproteins consist of a: Protein + lipid b. Protein + nucleic acid 4. Lipid bilayers that contain longer hydrocarbon tails are tails: 3. c. Protein + carbohydrate d. protein + amino açid a. than those with shorter hydre a. Less fluid c. Has no effect b. More fluid 5. Lipid bilayers that contain shorter hydrocarbon tails are tails: d. None of the above than those with longer hy a. Less fluid b. More fluid c. Has no effect d. None of the above 6. Prokaryotes adapt to cold temperatures by the length of their hydrophobic tails an- the amount of double bonds in their phospholipid bilayer. c. Increasing d. Decreasing ... Decreasing a. Increasing ... Decreasing b. Decreasing ... Increasing 7. Which of the following statements is true regarding the role of cell-surface carbohydrates a. Cell-cell recognition b. Protection from mechanical damage Increasing c. Gives the cell a distincti- d. All of the above 8. Which of the following proteins are embedded in the plasma membrane of cells? a. Lipid-Anchored proteins b. Integral proteins 9. Active transport is the movement of molecule down their concentration gradient c. Peripheral proteins d. Protein-attached b. False a. True 10. The concentration of K* is a. Higher.... Lower b. Lower... Higher 11. The concentration of Na* is a. Higher .... Lower b. Lower ... Higher 12. For uncharged molecules the direction of passive transport is determined by: a. Membrane potential b. Active transport 13. The Na"/K* pump is a: a. Symport b. Antiport 14. Gated ion channels are NOT continuously open. in the cell, but outside of the cell. c. Equal .... Equal d. None of the above in the cell, but c. Equal d. None of the above outside of the cell. Equal .... .. c. Concentration gradient d. pH c. Uniport d. Channel a. True b. False

are enzymes that equal distribution of phospholipids 47 PMnsmitter en'asma membrane Flippases b. Scramblase 2. Multipass transmembrane proteins cross the membrane only once. a, d. Glycoproteins 67%( a. True b. False Glycoproteins consist of a: Protein + lipid b. Protein + nucleic acid 4. Lipid bilayers that contain longer hydrocarbon tails are tails: 3. c. Protein + carbohydrate d. protein + amino açid a. than those with shorter hydre a. Less fluid c. Has no effect b. More fluid 5. Lipid bilayers that contain shorter hydrocarbon tails are tails: d. None of the above than those with longer hy a. Less fluid b. More fluid c. Has no effect d. None of the above 6. Prokaryotes adapt to cold temperatures by the length of their hydrophobic tails an- the amount of double bonds in their phospholipid bilayer. c. Increasing d. Decreasing ... Decreasing a. Increasing ... Decreasing b. Decreasing ... Increasing 7. Which of the following statements is true regarding the role of cell-surface carbohydrates a. Cell-cell recognition b. Protection from mechanical damage Increasing c. Gives the cell a distincti- d. All of the above 8. Which of the following proteins are embedded in the plasma membrane of cells? a. Lipid-Anchored proteins b. Integral proteins 9. Active transport is the movement of molecule down their concentration gradient c. Peripheral proteins d. Protein-attached b. False a. True 10. The concentration of K* is a. Higher.... Lower b. Lower... Higher 11. The concentration of Na* is a. Higher .... Lower b. Lower ... Higher 12. For uncharged molecules the direction of passive transport is determined by: a. Membrane potential b. Active transport 13. The Na"/K* pump is a: a. Symport b. Antiport 14. Gated ion channels are NOT continuously open. in the cell, but outside of the cell. c. Equal .... Equal d. None of the above in the cell, but c. Equal d. None of the above outside of the cell. Equal .... .. c. Concentration gradient d. pH c. Uniport d. Channel a. True b. False

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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are enzymes that equal distribution of phospholipids 47 PMnsmitter en'asma membrane Flippases b. Scramblase 2. Multipass transmembrane proteins cross the membrane only once. a, d. Glycoproteins 67%( a. True b. False Glycoproteins consist of a: Protein + lipid b. Protein + nucleic acid 4. Lipid bilayers that contain longer hydrocarbon tails are tails: 3. c. Protein + carbohydrate d. protein + amino açid a. than those with shorter hydre a. Less fluid c. Has no effect b. More fluid 5. Lipid bilayers that contain shorter hydrocarbon tails are tails: d. None of the above than those with longer hy a. Less fluid b. More fluid c. Has no effect d. None of the above 6. Prokaryotes adapt to cold temperatures by the length of their hydrophobic tails an- the amount of double bonds in their phospholipid bilayer. c. Increasing d. Decreasing ... Decreasing a. Increasing ... Decreasing b. Decreasing ... Increasing 7. Which of the following statements is true regarding the role of cell-surface carbohydrates a. Cell-cell recognition b. Protection from mechanical damage Increasing c. Gives the cell a distincti- d. All of the above 8. Which of the following proteins are embedded in the plasma membrane of cells? a. Lipid-Anchored proteins b. Integral proteins 9. Active transport is the movement of molecule down their concentration gradient c. Peripheral proteins d. Protein-attached b. False a. True 10. The concentration of K* is a. Higher.... Lower b. Lower... Higher 11. The concentration of Na* is a. Higher .... Lower b. Lower ... Higher 12. For uncharged molecules the direction of passive transport is determined by: a. Membrane potential b. Active transport 13. The Na"/K* pump is a: a. Symport b. Antiport 14. Gated ion channels are NOT continuously open. in the cell, but outside of the cell. c. Equal .... Equal d. None of the above in the cell, but c. Equal d. None of the above outside of the cell. Equal .... .. c. Concentration gradient d. pH c. Uniport d. Channel a. True b. False
Transcribed Image Text:are enzymes that equal distribution of phospholipids 47 PMnsmitter en'asma membrane Flippases b. Scramblase 2. Multipass transmembrane proteins cross the membrane only once. a, d. Glycoproteins 67%( a. True b. False Glycoproteins consist of a: Protein + lipid b. Protein + nucleic acid 4. Lipid bilayers that contain longer hydrocarbon tails are tails: 3. c. Protein + carbohydrate d. protein + amino açid a. than those with shorter hydre a. Less fluid c. Has no effect b. More fluid 5. Lipid bilayers that contain shorter hydrocarbon tails are tails: d. None of the above than those with longer hy a. Less fluid b. More fluid c. Has no effect d. None of the above 6. Prokaryotes adapt to cold temperatures by the length of their hydrophobic tails an- the amount of double bonds in their phospholipid bilayer. c. Increasing d. Decreasing ... Decreasing a. Increasing ... Decreasing b. Decreasing ... Increasing 7. Which of the following statements is true regarding the role of cell-surface carbohydrates a. Cell-cell recognition b. Protection from mechanical damage Increasing c. Gives the cell a distincti- d. All of the above 8. Which of the following proteins are embedded in the plasma membrane of cells? a. Lipid-Anchored proteins b. Integral proteins 9. Active transport is the movement of molecule down their concentration gradient c. Peripheral proteins d. Protein-attached b. False a. True 10. The concentration of K* is a. Higher.... Lower b. Lower... Higher 11. The concentration of Na* is a. Higher .... Lower b. Lower ... Higher 12. For uncharged molecules the direction of passive transport is determined by: a. Membrane potential b. Active transport 13. The Na"/K* pump is a: a. Symport b. Antiport 14. Gated ion channels are NOT continuously open. in the cell, but outside of the cell. c. Equal .... Equal d. None of the above in the cell, but c. Equal d. None of the above outside of the cell. Equal .... .. c. Concentration gradient d. pH c. Uniport d. Channel a. True b. False
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