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BiologyBiology: The Unity and Diversity of Life (MindTap Course List)15th Edition

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Chapter 28, Problem 3SQ
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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

Solutions

Chapter
Section
Problem 1DAA
Problem 2DAA
Problem 3DAA
Problem 4DAA
Problem 1SQ
Problem 2SQ
Problem 3SQ
Problem 4SQ
Problem 5SQ
Problem 6SQ
Problem 7SQ
Problem 8SQ
Problem 9SQ
Problem 10SQ
Problem 11SQ
Problem 12SQ
Problem 13SQ
Problem 14SQ
Problem 15SQ
Problem 1CT
Problem 2CT
Problem 3CT
Problem 4CT
Problem 5CT
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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
56 views

Most water moves from soil to vascular cylinder ______.

  1. a. through root hairs
  2. b. between root cells
  3. c. through root cell walls
  4. d. in xylem

Summary Introduction

Introduction:

Water transport from the roots to the vascular system (xylem) takes place via the apoplastic pathway. The apoplastic pathway is one of the two pathway involved in the water, mineral, and solute transport. After absorption to the root hairs, the water and minerals flow in the upright direction to the xylem via the apoplast. The apoplast is a space outside the plasma membrane of the plant cells through which the molecules can freely diffuse without any hindrance.

Explanation

Reason for the correct answer:

The water molecule from the root hairs gets freely diffused and travels in the upright direction to the xylem tube through the apoplast junction present in each plant cell.

Option c. is given as, “through root cell walls”. The root cell wall contains a space called apoplast. Through the apoplast, the water molecules move and reaches the xylem.

Hence, the correct answer is option c.

Reason for the incorrect answers:

Option a. is given as “through root hairs”. Initially, the water is absorbed from the soil through the root hairs present in the root of plants. After that, the water is transported through the root cells...

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Chapter 28 Solutions

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Ch-28 P-1DAACh-28 P-2DAACh-28 P-3DAACh-28 P-4DAACh-28 P-1SQCh-28 P-2SQCh-28 P-3SQCh-28 P-4SQCh-28 P-5SQCh-28 P-6SQ
Ch-28 P-7SQCh-28 P-8SQCh-28 P-9SQCh-28 P-10SQCh-28 P-11SQCh-28 P-12SQCh-28 P-13SQCh-28 P-14SQCh-28 P-15SQCh-28 P-1CTCh-28 P-2CTCh-28 P-3CTCh-28 P-4CTCh-28 P-5CT

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