Biolog 30 - Chapter 30 Plant Nutrition and Transport I...

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Chapter 30: Plant Nutrition and Transport I. Plant Nutrients and Soil A. Soil consists of mineral particles with humus B. Loams are the soils having the having best oxygen and water penetration C. Leaching occurs when there is a downward percolation of water and small quantities of dissolved nutrients end up in soil. D. Soil erosion is the loss of soil because of wind or water. II. Roots A. Mycorrhizae is a form of mutualism between a young root and fungus B. Root nodules have a metabolic conversion that converts nitrogen into ammonia through nitrogen fixation C. Root hairs are a development for increasing surface area and absorption D. Casparian strip is a barrier to the unrestricted flow of water and solutes into vascular cylinder. E. Exodermis is the cell layer just beneath their surface III. Water Movement A. Transpiration is the evaporation of water molecules from the plant B. Tracheids and vessel members are the water conducting cells of xylem C. Cohesion-tension theory is when water inside xylem is pulled upward by air’s
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This note was uploaded on 12/03/2011 for the course CHEM BIO P 101 taught by Professor Kk during the Spring '11 term at Rochester.

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Biolog 30 - Chapter 30 Plant Nutrition and Transport I...

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