If a bacterial cell is placed in a hypertonic (hyperosmotic) solution: There is no net movement of water either into or out of the cell Water moves through the plasma membrane into the cell Water moves through the plasma membrane out of the cell, causing plasmolysis None of the other four answers describes what happens in a hypertonic solution The cell may undergo osmotic lysis

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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If a bacterial cell is placed in a hypertonic (hyperosmotic) solution:
There is no net movement of water either into or out of the cell
Water moves through the plasma membrane into the cell
Water moves through the plasma membrane out of the cell, causing plasmolysis
None of the other four answers describes what happens in a hypertonic solution
The cell may undergo osmotic lysis
Transcribed Image Text:If a bacterial cell is placed in a hypertonic (hyperosmotic) solution: There is no net movement of water either into or out of the cell Water moves through the plasma membrane into the cell Water moves through the plasma membrane out of the cell, causing plasmolysis None of the other four answers describes what happens in a hypertonic solution The cell may undergo osmotic lysis
Which of the following statements is NOT true?
Enzymes increase the probability that a chemical reaction will take place by lowering the activation energy
The energy required to cause a chemical reaction to occur is called the activation energy
Chemical reactions in living cells are catalyzed by enzymes
None of the other four answers (all are true)
Decomposition (degradation, catabolic) reactions are usually endergonic
Transcribed Image Text:Which of the following statements is NOT true? Enzymes increase the probability that a chemical reaction will take place by lowering the activation energy The energy required to cause a chemical reaction to occur is called the activation energy Chemical reactions in living cells are catalyzed by enzymes None of the other four answers (all are true) Decomposition (degradation, catabolic) reactions are usually endergonic
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