Biology: Concepts and Investigations
Biology: Concepts and Investigations
4th Edition
ISBN: 9780078024207
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Chapter 4.5, Problem 4MC
Summary Introduction

To determine:

Why does it cost energy for the cell to maintain a concentration gradient.

Introduction:

Energy is required by a cell for various purposes like for cell divisions, movements, and to build large molecules.

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which of the following is MOST LIKELY to damage or kill bacteria with an intact (undamaged) cell wall: O hypo-tonic environment hypertonic environment an environment with fewer solutes than the inside of the cell isotonic environment
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A cell is moved from its normal environment in a freshwater river and is suddenly placed into the ocean. What would be the effect of this change in environment on the cell? O 1) It would shrivel because it would lose water. O 2) It would shrivel because it is responding to a hypotonic environment. O 3) It would swell because it is experiencing a hypertonic environment. O 4) It would swell because it would gain water. O 5) Nothing would happen to the cell.

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Biology: Concepts and Investigations

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