Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 35, Problem 2TYK
What important role does the Casparian strip play in the movementof water through plants?
a. forces water to move through the cytoplasm of living endodermal cells as it makes its way from the soil to the xylem
b. causes cells to shrink, thereby increasing pressure within cells
c. loads sugars into xylem, thereby causing water to enter the xylem by osmosis
d. acts as a filter that prevents salts, heavy metals, and other pollutants from entering root hairs
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Alleles at the P locus control seed color. Plants which are pp have white seeds, white flowers and no pigment in vegetative parts. Plants which are P_ have black seeds, purple flowers and may have varying degrees of pigment on stems and leaves. Seed color can be assessed, visually, based on if the seed is white or not white
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For this exercise we will use seed and data from the F10 generation of a recombinant inbred population…
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A gene for mold resistance has been reported and we want to determine its inheritance and whether it is linked to P. For the purposes of this exercise, we will assume that resistance is controlled by a single locus M, and M_ plants are resistant and mm plants are susceptible. Resistance can be measured, under greenhouse conditions, 2 weeks after planting, by injecting each seedling with a spore suspension. After two weeks, the seedlings can be rated as resistant or susceptible, based on whether or not tissue is actively sporulating.
For this exercise we will use seed and data from the F10 generation of a recombinant inbred population produced using single seed…
Chapter 35 Solutions
Biological Science (6th Edition)
Ch. 35 - CAUTION A cell is placed in a solution that is...Ch. 35 - What important role does the Casparian strip play...Ch. 35 - Prob. 3TYKCh. 35 - Why is the transport of phloem sap considered an...Ch. 35 - Prob. 5TYUCh. 35 - Prob. 6TYUCh. 35 - Prob. 7TYUCh. 35 - Prob. 8TYUCh. 35 - Prob. 9TYPSSCh. 35 - Prob. 10TYPSS
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