Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 36, Problem 3DA
Data analysis Comparative analyses of fossil and extant vascular plants reveal that the maximum diameter for a tracheid is 80 µm. Vessels, however, can reach diameters of up to 500 µm in diameter. How much more water could the largest vessels transport compared with the largest tracheids in the same amount of time? Your calculations are for an Ideal situation. In the context of a growing plant, what other factors would affect the rate of transport through the tracheids and vessels?
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Figure 2 shows the cross-section of a eudicot root.
i. Based on Figure 2, identify the structure that regulates the movement of water and minerals towards the xylem in the root.
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Chapter 36 Solutions
Biology
Ch. 36.1 - Predict the direction of water movement based on...Ch. 36.1 - Prob. 2LOCh. 36.2 - Prob. 1LOCh. 36.2 - Prob. 2LOCh. 36.3 - Prob. 1LOCh. 36.3 - Prob. 2LOCh. 36.4 - Prob. 1LOCh. 36.4 - Prob. 2LOCh. 36.5 - Prob. 1LOCh. 36.6 - Prob. 1LO
Ch. 36.6 - Prob. 2LOCh. 36 - What would w, s, and p of the cell in figure 36.5a...Ch. 36 - Prob. 2DACh. 36 - Data analysis Comparative analyses of fossil and...Ch. 36 - Prob. 1IQCh. 36 - Which of the following is an active transport...Ch. 36 - The water potential of a plant cell is the a. stun...Ch. 36 - Hydrogen bonding between water molecules results...Ch. 36 - Water movement through cell walls is a....Ch. 36 - Prob. 5UCh. 36 - The formation of an air bubble in the xylem is...Ch. 36 - Prob. 7UCh. 36 - Stomata open when guard cells a. take up...Ch. 36 - Prob. 9UCh. 36 - A plant must expend energy to drive a....Ch. 36 - Which of the following statements is inaccurate?...Ch. 36 - If you could override the control mechanisms that...Ch. 36 - Prob. 3ACh. 36 - If you were able to remove the aquaporins from...Ch. 36 - Prob. 5ACh. 36 - If you fertilize your houseplant too often, you...Ch. 36 - How could you detect a plant with a mutation in a...Ch. 36 - Prob. 3SCh. 36 - Prob. 4SCh. 36 - A carrot is a biennial plant. In the first year of...
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- Please answer the second questionarrow_forwardImagine you have a plant with a water potential of -0.1 MPa in the root tissue. What would happen if you place the roots of this plant in a 0.1 M solution of sucrose (water potential is -0.23 MPa)? The net water flow would be from the tissue into the sucrose solution The net water flow would occur only as ATP was hydrolyzed in the tissue The net water flow would be from the sucrose solution into the tissue The net water flow would be in both directions and the concentration of water would remain equal The net water flow would be impossible to determine from the values given herearrow_forwardThe functions of vascular tissue in plants include (Check all that apply) Check All That Apply physical support of the plant physical support of the plant photosynthesis transport of water transport of water transport of minerals transport of minerals transport of organic compounds transport of organic compounds transport of gamete transport of gametesarrow_forward
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- What are ways in which plants accomplish tissue-level transport?a. transmembrane transport of solutes from one cell to anotherb. symplastic transport of materials from one cell to another viaplasmodesmatac. apoplastic transport of water and dissolved solutes through cell wallsand intercellular spacesd. All of the above are used for tissue-level transport.e. None of the above are used for tissue-level transport.arrow_forwardPlease answer question 1arrow_forwardDiagram 1: Cross Section of a leaf-cells and structures. cuticle -upper epidermis palisade layer chloroplasts vascular bundle spongy mesophyll -intercellular chamber -lower epidermis stoma A possible explanation to explain the presence of the stoma structure would be that it stores extra water the leaf does not need. allows a passageway for gasses to enter and exit the leaf makes sugar needed by the cells. O maximizes the absorption of sunlight energy O O O Oarrow_forward
- Please answer the third questionarrow_forwardCan you answer this questionarrow_forwardIn xylem, the pressure potential is a negative number. Why? What does the weight of the water have to do with this? Stolons, rhizomes, and horizontal vines do not have a problem with the weight of water. Why? In the epiphytic cactus Rhipsalis, the weight of water actually makes conduction easier. Why?arrow_forward
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