Biology
10th Edition
ISBN: 9780073383071
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 5, Problem 6U
If a cell is in an isotonic environment, then
a. the cell will gain water and burst.
b. no water will move across the membrane.
c. the cell will lose water and shrink.
d. osmosis still occurs, but there is no net gain or loss of cell volume.
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If a cell is in an isotonic environment, then
a. the cell will gain water and burst.
b. no water will move across the membrane.
c. the cell will lose water and shrink.
d. osmosis still occurs, but there is no net gain or loss of cell volume.
Which of the following best describes an Isotonic solution?
A. The cellular plasma membrane will expand when the cell is place into an isotonic solution.
B. The cellular plasma membrance will shrink when the cell is placed into an isotonic solution.
C. Solute concentrations in the solutions are equal acorss the cellular plasma membrane.
D. Solvent concentrations cause unequal solution concentrations across the plasma membrane.
Osmosis is water movement across a semipermeable membrane. Which of the following is true about water movement across cell membranes?
A. In a hypotonic solution, cells will swell.
B. In an isotonic solution, cells will shrink.
C. In a hypertonic solution, cells will stay the same.
D. Cells can neither shrink nor swell because water cannot penetrate the plasma membrane.
Chapter 5 Solutions
Biology
Ch. 5 - The fluid mosaic model of the membrane describes...Ch. 5 - What chemical property characterizes the interior...Ch. 5 - The transmembrane domain of an integral membrane...Ch. 5 - The specific function of a membrane within a cell...Ch. 5 - The movement of water across a membrane is...Ch. 5 - If a cell is in an isotonic environment, then a....Ch. 5 - Which of the following is NOT a mechanism for...Ch. 5 - A bacterial cell that can alter the composition of...Ch. 5 - What variable(s) influence(s) whether a nonpolar...Ch. 5 - Which of the following does NOT contribute to the...
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- When a cell is placed in a hypertonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water exits the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.arrow_forwardWhen a cell is placed in a hypotonic solution,a. solute exits the cell to equalize the concentration on both sidesof the membrane.b. water exits the cell toward the area of lower solute concentration.c. water enters the cell toward the area of higher solute concentration.d. solute exits and water enters the cell.arrow_forwardChoose the best answer When a cell is placed in a hypertonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water exits the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.arrow_forward
- Which of the following describes how osmosis occurs across a cell membrane/ A. Solutes move from an area of high water concentration to an area of low water concentration. B. Water moves from an area of low solute concentration to an area of high solute concentration. C. Both water and solutes move across the cell membrane from an area of high concentration to an area of low concentration. D. Solutes move from an area of low solute concentration to an area of high solute concentration. E. Water moves from an area of high solute concentration to an area of low solute concentration.arrow_forwardA hypertonic glucose solution A. Causes cell hemolysis B. Has the same osmotic pressure as red blood cells C. Causes cell crenation D. Has a concentration less than an isotonic solutionarrow_forwardWhich of the following will likely result if the concentration of electrolytes outside the cell is higher than in the intracellular environment? A. The cell will be unaffected B. The cell will burst C. The cell will shrink and dry up D. The cell will undergo mitosis and dividearrow_forward
- Which of the following is not a function of the extracellular matrix Select one: A. Prevents the loss of water when cells are placed in a hypertonic solution. B. Assists in the movement of substances across the plasma membrane. C. Has numerous functions that affect the shape and activities of the cell that produced it. D. Takes place in reception of moleculesarrow_forwardWhat is the purpose of the "sodium/potassium pump" A. to perform endocytosis. B. to move sodium and potassium by facilitated diffusion. C. to perform bulk transport through the plasma membrane. D. To produce a concentration gradient for sodium ionsarrow_forwardOsmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement? A. Exact concentration of solution is not given B. Character of semi permeable membrane is not given C. The flow of solution is not possible through semi permeable membrane D. All are incorrectarrow_forward
- When a cell is placed in a hypotonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water enters the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.arrow_forwardThe passive, non-mediated movement of particles into or out of a cell following the particle’s concentration gradient is called A. osmosis B. vesicular transport C. filtration D. diffusion E. facilitated diffusion F. active transportarrow_forwardDuring passive transport, substances will move across a selectively permeable membrane until… explain why A. There is no longer any energy to be used B. All solutes reach the other side of the membrane C. There is no more room inside of the cell D. Equilibrium is reachedarrow_forward
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