Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 34, Problem 2TYK
Summary Introduction
Introduction:
The transport of water, food, and other dissolved substances in plants is possible because of long distance and short distance transport mechanisms. Short distance transport mechanisms are facilitated by apoplastic, symplastic, and transmembrane pathways, while long distance transport mechanism uses the vascular tissues to accomplish the task.
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These are pores in plant cell membranes that allow for a shared cytoplasm between cells
Select one:
a.
xylem
b.
stomata
c.
apical meristem
d.
aquaporins
e.
plasmodesmota
The figure attached shows an open stoma during a gaseous exchange process in a plant.
A) What is 'y'?
B) Elaborate the gaseous exchange process in plants by considering the influence of 'y' on the turgidity of guard cells.
The electrochemical gradient is __________________.
A. The total chemical potential gradient B. The total electrical potential gradient C. All the above
Water and mineral nutrients are transported from root to shoot via __________________
A. Plasmodesmata B. Xylem C. Phloem D. Cell wall
Chapter 34 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 34.1 - Prob. 1SBCh. 34.1 - Prob. 2SBCh. 34.1 - Explain how the apoplastic, symplastic, and...Ch. 34.2 - Prob. 1SBCh. 34.2 - Prob. 2SBCh. 34.3 - Prob. 1SBCh. 34.3 - Prob. 2SBCh. 34.3 - Prob. 3SBCh. 34.4 - Prob. 1SBCh. 34.4 - Prob. 2SB
Ch. 34.5 - Compare and contrast translocation and...Ch. 34.5 - Prob. 2SBCh. 34 - Prob. 1TYKCh. 34 - Prob. 2TYKCh. 34 - Prob. 3TYKCh. 34 - Prob. 4TYKCh. 34 - Prob. 5TYKCh. 34 - Prob. 6TYKCh. 34 - Prob. 7TYKCh. 34 - Prob. 8TYKCh. 34 - An indoor gardener leaving for vacation completely...Ch. 34 - Prob. 10TYKCh. 34 - Prob. 11TYKCh. 34 - Prob. 12TYKCh. 34 - Discuss Concepts Concerns about global climate...Ch. 34 - Prob. 14TYKCh. 34 - Apply Evolutionary Thinking A variety of...Ch. 34 - Prob. 1ITDCh. 34 - Prob. 2ITDCh. 34 - Prob. 3ITD
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- Water potential is (a) the formation of a proton gradient across a cell membrane (b) the transport of a watery solution of sugar in phloem (c) the transport of water in both xylem and phloem (d) the removal of sucrose at the sink, causing water to move out of the sieve tubes (e) the free energy of water in a particular situationarrow_forwardWhich of the following is the function of the plant cell's central vacuole? a. giving energy to the cell b. directing cellular activities c. helping increase the cell size d. transporting molecules across the cytoplasmarrow_forwardWhat pathway(s) via which that ion could be taken by plant roots?_____________ A. Apoplast B. Symplast C. Symplast/Apoplast combined pathway D. Either of above E. A or Barrow_forward
- A difference between monocot and dicot plant stems is thea. absence of buds in monocots.b. organization of vascular tissue.c. presence of guard cells.d. absence of stomata.arrow_forwardTranslocation mainly involves the movement of products from the leaves where they are synthesized, to other plant parts like the roots, where photosynthesis does not occur. Which of the following cells make up the tissue that is involved in the process of translocation? * A. companion cells B. vessels C. tracheids D. sieve tubesarrow_forwardWhich of the following statements is/are FALSE for CAM plants? a.The dark reaction uses less ATP and NADPH than other plants. b.Succulents and tropical plants growing under semi-arid condition. c.C4 pathway occurs at night and C3 pathway occurs at daytime. d.Scotoactive stomata are open during daytime but close at nighttime.arrow_forward
- According to the pressure-flow model, sugar is actively transported into phloem anda. enters xylem, where it is moved toward the leaves due to transpiration.b. creates pressure to move water toward the roots.c. is transported out of the leaves through stomata.d. water follows by osmosis, providing pressure that moves the water and sugar through the phloem.arrow_forwardGuttation in plants is due to condensation of water vapor and occurs through the hydathodes. D. Disagree, because guttation occurs through the stomates. A. Agree, because guttation occurs through the hydathodes. B. Disagree, because it is root pressure that causes guttation. C. Agree, because during night time, water condenses due to drop in temperature.arrow_forwardIn plants, match the substances that the vascular tissues, xylem and phloem, each transport. 1. Phloem 2. Xylem 3. Xylem A. Water b. Sucrose c. Nutrientsarrow_forward
- Considering the leaf structure of a vascular plants, which of the following does not contain chloroplast A. The plalisade B. The spongy mesophyll C. The epidermis D. The guard cellarrow_forwardChoose the possible places a water molecule can go once it has traveled from the roots to a leaf cell. A. Return to the soil B. Release to the atmosphere C. Store in central vacuole D. Mitochondriaarrow_forwardPhytochrome is a plant pigment protein that: a. mediates plant infection b. promotes plant growth c. mediates morphological changes in response to red and far-red light d. inhibits plant growtharrow_forward
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