Why do some root cells have root hairs? O to increase the surface area of the cell and absorb water O to provide a place for cell nuclei O for the maintenance of the temperature of the cell sap O to increase the volume of the cell sap

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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**Why Do Some Root Cells Have Root Hairs?**

Root hairs are essential adaptations for certain plant cells. On this educational page, we want to explore the reasons behind the presence of root hairs in some root cells. Understanding this concept is key to comprehending plant physiology and survival mechanisms. Below are some of the proposed functions of root hairs:

1. **Increase the Volume of the Cell Sap**
   - Although one might think root hairs contribute to augmenting the volume of the cell sap, this is not the primary function of root hairs.

2. **Maintenance of the Temperature of the Cell Sap**
   - Maintenance of temperature for the cell sap is crucial for cellular reactions, but root hairs are not typically responsible for this function.

3. **Provide a Place for Cell Nuclei**
   - The cell nucleus is an important organelle within plant cells, but root hairs do not serve the purpose of providing a place for cell nuclei.

4. **Increase the Surface Area of the Cell and Absorb Water**
   - **Correct Answer:** The primary and most crucial function of root hairs. By increasing the surface area of the cell, root hairs are able to enhance the plant's ability to absorb water and essential nutrients from the soil, which are vital for growth and survival.

By focusing on these aspects, students can gain a deeper understanding of the functional morphology of plants and the importance of specific cellular adaptations. Understanding these functions is essential for studies in plant biology, ecology, and environmental science.
Transcribed Image Text:**Why Do Some Root Cells Have Root Hairs?** Root hairs are essential adaptations for certain plant cells. On this educational page, we want to explore the reasons behind the presence of root hairs in some root cells. Understanding this concept is key to comprehending plant physiology and survival mechanisms. Below are some of the proposed functions of root hairs: 1. **Increase the Volume of the Cell Sap** - Although one might think root hairs contribute to augmenting the volume of the cell sap, this is not the primary function of root hairs. 2. **Maintenance of the Temperature of the Cell Sap** - Maintenance of temperature for the cell sap is crucial for cellular reactions, but root hairs are not typically responsible for this function. 3. **Provide a Place for Cell Nuclei** - The cell nucleus is an important organelle within plant cells, but root hairs do not serve the purpose of providing a place for cell nuclei. 4. **Increase the Surface Area of the Cell and Absorb Water** - **Correct Answer:** The primary and most crucial function of root hairs. By increasing the surface area of the cell, root hairs are able to enhance the plant's ability to absorb water and essential nutrients from the soil, which are vital for growth and survival. By focusing on these aspects, students can gain a deeper understanding of the functional morphology of plants and the importance of specific cellular adaptations. Understanding these functions is essential for studies in plant biology, ecology, and environmental science.
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