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)Which of the following statements about facilitated diffusion is FALSE? It goes up its concentration gradient, from low to high. It is utilized primarily for larger polar and/or charged molecules/ions 2)If a solution outisde a cell has the same osmolarity as the cell itself, it is said that the soluion is ___________________ to the cell. A) Isotonic B) Hypertonic C) nonpolar

)Which of the following statements about facilitated diffusion is FALSE? It goes up its concentration gradient, from low to high. It is utilized primarily for larger polar and/or charged molecules/ions 2)If a solution outisde a cell has the same osmolarity as the cell itself, it is said that the soluion is ___________________ to the cell. A) Isotonic B) Hypertonic C) nonpolar

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1)Which of the following statements about facilitated diffusion is FALSE?

  1. It goes up its concentration gradient, from low to high.
  2. It is utilized primarily for larger polar and/or charged molecules/ions

2)If a solution outisde a cell has the same osmolarity as the cell itself, it is said that the soluion is ___________________ to the cell.

  1. A) Isotonic
  2. B) Hypertonic
  3. C) nonpolar

3)What is the second type of lipid that plays a major role in the plasma membrane? This lipid does not have polar and nonpolar regions (its not amphiphilic) but plays a critical role in membrane permeability.

A)phospholipids

  1. b) steroid hormones
  2. c) Cholesterol

4)Which one of the following influences the rate at which diffusion can occur?

  1. Size of the concentration gradient
  2. Mass of the molecule
  3. Distance
  4. All of the above affect diffusion
  5. None of the above affect the diffusion rate

 

 

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