Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 23.3, Problem 2MC
Summary Introduction
To explain:
The pressure flow theory of phloem transport.
Concept introduction:
Carbohydrate produced by photosynthesis in the leaves, need to be transported to different parts of plants. Glucose is converted to sucrose for transport, and carried by phloem to parts of the plant. Pressure flow theory is based on flow of sugar from source to sink.
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Explain the pressure flow theory of phloem transport.
Consider the pressure flow model of phloem transport. How do sugars and water enter the phloem from the source? How do sugars and water move from one phloem cell to another?
Explain why xylem transport is unidirectional
and phloem transport bi-directional.
Chapter 23 Solutions
Biology: Concepts and Investigations
Ch. 23.1 - How do plants acquire C, H, O, N, and P?Ch. 23.1 - Prob. 2MCCh. 23.1 - Prob. 3MCCh. 23.2 - Prob. 1MCCh. 23.2 - Prob. 2MCCh. 23.2 - Prob. 3MCCh. 23.3 - Prob. 1MCCh. 23.3 - Prob. 2MCCh. 23.3 - Prob. 3MCCh. 23.4 - Prob. 1MC
Ch. 23.4 - Prob. 2MCCh. 23.5 - Prob. 1MCCh. 23.5 - Prob. 2MCCh. 23.5 - Prob. 3MCCh. 23 - Prob. 1MCQCh. 23 - Prob. 2MCQCh. 23 - Prob. 3MCQCh. 23 - Prob. 4MCQCh. 23 - Prob. 5MCQCh. 23 - Prob. 6MCQCh. 23 - Prob. 7MCQCh. 23 - Explain the relationship between transpiration and...Ch. 23 - Prob. 2WIOCh. 23 - Prob. 3WIOCh. 23 - Prob. 4WIOCh. 23 - Prob. 5WIOCh. 23 - Prob. 6WIOCh. 23 - Prob. 7WIOCh. 23 - Prob. 8WIOCh. 23 - Prob. 9WIOCh. 23 - Prob. 10WIOCh. 23 - Prob. 11WIOCh. 23 - Prob. 12WIOCh. 23 - Prob. 13WIOCh. 23 - Prob. 1PITCh. 23 - Prob. 2PITCh. 23 - Prob. 3PIT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain the movement of water in a plant according to thecohesion-tension model of xylem transport.arrow_forwardexplain the process of the loading of sucrose into the phloem and its movement in the phloemarrow_forwardExplain the movement of organic nutrients in a plant according to the pressure-flow model of phloem transport.arrow_forward
- Compare the energy needs of a plant for the movement of water in the xylem according to the cohesion-tension model to the movement of phloem sap according to the pressure-flow model?arrow_forwardPlant Physiology Define or describe a Phloem tissue.arrow_forwardIn what conditions apoplastic transfer of phloem unloading will be necessary and why? *arrow_forward
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