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What is the function of a cell wall? A to protect and support the cell B to perform different functions in each cell C to prevent water from passing through it D to prevent oxygen from entering the cell

What is the function of a cell wall? A to protect and support the cell B to perform different functions in each cell C to prevent water from passing through it D to prevent oxygen from entering the cell

Human Anatomy & Physiology (11th Edition)
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Understanding the Function of a Cell Wall** *Question:* What is the function of a cell wall? **Answers:** - **A:** to protect and support the cell - **B:** to perform different functions in each cell - **C:** to prevent water from passing through it - **D:** to prevent oxygen from entering the cell ### Explanation: The cell wall has specific functions essential for the cell's survival and integrity. In plants, bacteria, fungi, and some algae, the cell wall provides structural support and protection. The options provided offer a mix of correct understanding and common misconceptions about the cell wall's role. - **Option A:** Correct. The primary function of the cell wall is to protect and support the cell, maintaining its shape and preventing it from bursting under hypotonic conditions. - **Option B:** Incorrect. The cell wall itself does not perform multiple functions in different cells; instead, it mainly provides support and protection across different types of cells that possess it. - **Option C:** Incorrect. The cell wall is permeable to certain substances including water; it does not prevent water from passing through it. Instead, it regulates what enters and exits the cell to some extent. - **Option D:** Incorrect. The cell wall does not prevent oxygen from entering the cell; oxygen can diffuse through the cell wall and membrane. To conclude, the correct answer is **A: to protect and support the cell**. The cell wall plays a crucial role in maintaining the cell’s structural integrity, which is vital for its proper functioning and survival.
Transcribed Image Text:**Understanding the Function of a Cell Wall** *Question:* What is the function of a cell wall? **Answers:** - **A:** to protect and support the cell - **B:** to perform different functions in each cell - **C:** to prevent water from passing through it - **D:** to prevent oxygen from entering the cell ### Explanation: The cell wall has specific functions essential for the cell's survival and integrity. In plants, bacteria, fungi, and some algae, the cell wall provides structural support and protection. The options provided offer a mix of correct understanding and common misconceptions about the cell wall's role. - **Option A:** Correct. The primary function of the cell wall is to protect and support the cell, maintaining its shape and preventing it from bursting under hypotonic conditions. - **Option B:** Incorrect. The cell wall itself does not perform multiple functions in different cells; instead, it mainly provides support and protection across different types of cells that possess it. - **Option C:** Incorrect. The cell wall is permeable to certain substances including water; it does not prevent water from passing through it. Instead, it regulates what enters and exits the cell to some extent. - **Option D:** Incorrect. The cell wall does not prevent oxygen from entering the cell; oxygen can diffuse through the cell wall and membrane. To conclude, the correct answer is **A: to protect and support the cell**. The cell wall plays a crucial role in maintaining the cell’s structural integrity, which is vital for its proper functioning and survival.
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