26. The movement of charged molecules across the plasma membrane is facilitated by the and Membrane potential ... active transport a. ndean smaal b. Concentration gradient.. active transport c. Membrane potential ... Concentration gradient d. None of the above 27. a. Deoxyribonucleic acid noa b. Transmembrane protein is a membrane protein the lie entirely outside on either side of the lipid bilayer 28. Channel proteins differentiate based on size and charge of the substances that pass through it c. Monolayer- associated a helix d. Peripheral proteins True 29. Ca' concentration is higher outside of the cell than inside the cen a. True 30. b. False b. False :oeellsom Bmaelq odi eeoTO6 are ligand-gated channels that convert chemical signal into an electrical signal in nerve a. Voltage-gated channels b. Mechanical- gated channels 31. c. Transmitter-gated ion channels d. None of the above protein is a major component of the cell cortex in RBCS, that provide support to the cell membrane and maintain cell shape. a. Scramblase b. Spectrin c. Glycocalyx d. Porins 32. As Cl ions flow down their concentration gradient: 1sa aThe inside of the cell becomes more positive b. The inside of the cell becomes more negative c. The outside of the cell becomes more negative donThe membrane potential is not affected 33. As Cat ions flow down their concentration gradient The inside of the cell becomes more positive a. b. The inside of the cell becomes more negative The outside of the cell becomes more positive c. d. The membrane potential is not affected 34. Integral membrane proteins are not amphipathic b. False True of the cell a. of the cell to the 35. Ca" pump move Ca ions from the a. Interior.... c. Both choices are true Exterior of the of the cell and Na* to the c. Interior.... Exterior d. Exterior ... Interior b. Exterior .... Interior 36. Na"/K" pump move K* to the a. Interior.... Interior Exterior 37. The plasma membrane allows anything to enter the cell. a. True b. Exterior .... b. False tail head and a 38. A phospholipid consists of a Saturated ... unsaturated c. Hydrophilic ... Hydrophobic d. Hydrophobic ... Hydrophilic a. b. Unsaturated ... saturated

26. The movement of charged molecules across the plasma membrane is facilitated by the and Membrane potential ... active transport a. ndean smaal b. Concentration gradient.. active transport c. Membrane potential ... Concentration gradient d. None of the above 27. a. Deoxyribonucleic acid noa b. Transmembrane protein is a membrane protein the lie entirely outside on either side of the lipid bilayer 28. Channel proteins differentiate based on size and charge of the substances that pass through it c. Monolayer- associated a helix d. Peripheral proteins True 29. Ca' concentration is higher outside of the cell than inside the cen a. True 30. b. False b. False :oeellsom Bmaelq odi eeoTO6 are ligand-gated channels that convert chemical signal into an electrical signal in nerve a. Voltage-gated channels b. Mechanical- gated channels 31. c. Transmitter-gated ion channels d. None of the above protein is a major component of the cell cortex in RBCS, that provide support to the cell membrane and maintain cell shape. a. Scramblase b. Spectrin c. Glycocalyx d. Porins 32. As Cl ions flow down their concentration gradient: 1sa aThe inside of the cell becomes more positive b. The inside of the cell becomes more negative c. The outside of the cell becomes more negative donThe membrane potential is not affected 33. As Cat ions flow down their concentration gradient The inside of the cell becomes more positive a. b. The inside of the cell becomes more negative The outside of the cell becomes more positive c. d. The membrane potential is not affected 34. Integral membrane proteins are not amphipathic b. False True of the cell a. of the cell to the 35. Ca" pump move Ca ions from the a. Interior.... c. Both choices are true Exterior of the of the cell and Na* to the c. Interior.... Exterior d. Exterior ... Interior b. Exterior .... Interior 36. Na"/K" pump move K* to the a. Interior.... Interior Exterior 37. The plasma membrane allows anything to enter the cell. a. True b. Exterior .... b. False tail head and a 38. A phospholipid consists of a Saturated ... unsaturated c. Hydrophilic ... Hydrophobic d. Hydrophobic ... Hydrophilic a. b. Unsaturated ... saturated

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter5: Structure And Function Of Plasma Membranes

Section: Chapter Questions

Problem 7RQ: A scientist compares the plasma membrane composition of an animal from the Mediterranean coast with...

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