CONCEPTS OF BIOLOGY W/CONNECT
3rd Edition
ISBN: 9781259958816
Author: Hoefnagels
Publisher: MCG
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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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Chapter 4 Solutions
CONCEPTS OF BIOLOGY W/CONNECT
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. 4.2 - Prob. 4MCCh. 4.3 - What are the main parts of an ATP molecule?Ch. 4.3 - Prob. 2MC
Ch. 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 - Prob. 1MCCh. 4.6 - Prob. 2MCCh. 4.6 - Prob. 3MCCh. 4 - Prob. 1MCQCh. 4 - Prob. 2MCQCh. 4 - How does ATP participate in coupled reactions? a....Ch. 4 - How does an enzyme affect the energy of a...Ch. 4 - Prob. 5MCQCh. 4 - Prob. 6MCQCh. 4 - Prob. 7MCQCh. 4 - Prob. 1WIOCh. 4 - Some people claim that lifes high degree of...Ch. 4 - List some examples of endergonic and exergonic...Ch. 4 - Prob. 4WIOCh. 4 - Prob. 5WIOCh. 4 - Provide an example of an appliance that uses...Ch. 4 - Name at least four ways that a cell uses ATP.Ch. 4 - Prob. 8WIOCh. 4 - Considering that enzymes are essential to all...Ch. 4 - Prob. 10WIOCh. 4 - Prob. 11WIOCh. 4 - Prob. 12WIOCh. 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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- Which of the following types of transporters would be utilized to move two different types of molecules across the cell membrane in the same direction? a. Uniporter b. Symporter/Cotransporter c. Antiporter d. Chemiporter e. Protoporterarrow_forwardWhich process requires energy—passive or active transport? Why is energy sometimes required to move solute across the cell membrane?arrow_forwardHow do cells maintain the fluidity of their membranes? If a bacterium was growing at 20°C, how would it's membrane composition change if it was suddenly moved to cultivation temperature of 30°C.? How would it's membrane composition change if it was subsequently moved to a cultivation temperature of 10°C?arrow_forward
- If the bacteria within your medium suddenly die, can an alteration in osmotic balance be the reason why?arrow_forwardWhy does the cell wall prevent osmotic lysis but not prevent plasmolysis?arrow_forward) If you took a bacterium living in a stream with 20°C water and placed it in a hot spring with 50°C water, what might happen? Please describe what happens to all aspects of the cell: the cell membrane, osmotic regulation, metabolism etc.arrow_forward
- The solution outside the cell is 65% water and 35% solute, while inside the cell is 55% water and 45% solute. The solution around the cell is...??arrow_forwardwhat is the energy requirements for passive versus active transportarrow_forwardIn the Osmosis Gizmo, the cell is placed in a very small chamber. Suppose a cell is placed in a large container of water with a very low solute concentration. What do you think would happen?arrow_forward
- in what concentration gradient do water molecules move faster in? would the water molecules move faster when there is a high concentration gradient?arrow_forwardWould you expect water molecules to move faster when there is a HIGH concentration gradient or a LOW concentration gradient?arrow_forwardWhat happens when you place an animal cell in a hypotonic solution? Hypertonic?arrow_forward
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