Biology: Concepts and Investigations
4th Edition
ISBN: 9780078024207
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Question
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
What type of structure could a bacterium use if it needed to protect its cytoplasm from toxic
intermediates of a necessary metabolic reaction?
Surrounding it with stabilizing cations
An organelle with a phospholipid membrane
A protein shell to enclose the reaction
Locking it in a storage granule
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.
Chapter 4 Solutions
Biology: Concepts and Investigations
Ch. 4.1 - What are some examples of the work of a cell?Ch. 4.1 - Prob. 2MCCh. 4.1 - Prob. 3MCCh. 4.1 - Prob. 4MCCh. 4.2 - What is metabolism on a cellular level?Ch. 4.2 - Prob. 2MCCh. 4.2 - Prob. 3MCCh. 4.3 - What are the main parts of an ATP molecule?Ch. 4.3 - Prob. 2MCCh. 4.3 - Describe the relationships among endergonic...
Ch. 4.4 - Prob. 1MCCh. 4.4 - Prob. 2MCCh. 4.4 - Prob. 3MCCh. 4.4 - Prob. 4MCCh. 4.4 - List three conditions that influence enzyme...Ch. 4.5 - What is diffusion?Ch. 4.5 - What types of substances diffuse freely across a...Ch. 4.5 - Prob. 3MCCh. 4.5 - Prob. 4MCCh. 4.5 - Prob. 5MCCh. 4.5 - Prob. 6MCCh. 4.6 - How does a knifefish adjust its electric field?Ch. 4.6 - Prob. 2MCCh. 4 - Prob. 1MCQCh. 4 - Building proteins _____ energy; ATP hydrolysis...Ch. 4 - How does ATP participate in coupled reactions? a....Ch. 4 - How does an enzyme affect the energy of a...Ch. 4 - Imagine that you place a drop of red food coloring...Ch. 4 - Prob. 6MCQCh. 4 - Prob. 7MCQCh. 4 - Some people claim that lifes high degree of...Ch. 4 - List some examples of endergonic and exergonic...Ch. 4 - Why do electron transport chains release energy?Ch. 4 - Provide an example of an appliance that uses...Ch. 4 - Name at least four ways that a cell uses ATP.Ch. 4 - Use what you know about enzymes to propose an...Ch. 4 - Considering that enzymes are essential to all...Ch. 4 - Prob. 8WIOCh. 4 - Prob. 9WIOCh. 4 - Liver cells are packed with glucose. If the...Ch. 4 - List three ways the content in this chapter...Ch. 4 - Prob. 1PITCh. 4 - Prob. 2PITCh. 4 - Prob. 3PIT
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