Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 28, Problem 12SQ
Stomata open in response to light when _______
- a. ions flow into guard cell cytoplasm
- b. ions flow out of guard cell cytoplasm
- c. water evaporates out of guard cells
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Students have asked these similar questions
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.
ii. Name structure of the cell membrane allows it to act as a selective barrier?
iii. Predict what will happen to the transportation of water and minerals through the plasma membrane if the root was poisoned and no cellular respiration occurred
Closed stomata______ . a. limit gas exchange c. prevent photosynthesis b. permit water loss d. absorb light
If a plant’s stomata are made to stay open at all times, orclosed at all times, it will die. Why?
Chapter 28 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 28 - Carbon, hydrogen, and oxygen are _______ for...Ch. 28 - Decomposing organic matter in soil is called...Ch. 28 - A vascular cylinder consists of _______ a....Ch. 28 - Prob. 4SQCh. 28 - The nutrition of some plants is enhanced by a...Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 7SQCh. 28 - Prob. 8SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______...
Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - When guard cells swell, ______ a. transpiration...Ch. 28 - Stomata open in response to light when _______ a....Ch. 28 - Prob. 13SQCh. 28 - Prob. 14SQCh. 28 - Prob. 15SQCh. 28 - Nitrogen deficiency stunts plant growth and causes...Ch. 28 - You just returned home from a three-day vacation....Ch. 28 - Prob. 3CTCh. 28 - Prob. 4CTCh. 28 - Prob. 5CT
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- A) The concentration of CO2 is lower inside a plant cell than in the atmosphere (outside the cell). In your own words, describe how the CO2 levels are kept low inside the plant cell and explain why this is necessary. Assume stomata are open. B) Regarding the situation presented in Part A and assuming that the stomata of the plant leaves are closed, would this favour the induction of photorespiration in a C3 plant? Explain. Make reference to relevant molecule or molecules as needed. Please clearly label your responses as A and Barrow_forwardPlant stomata have guard cells. Guard cells will; Always leave the stomata open Close the stomata when conditions are moist Close the stomata when conditions are dryarrow_forwardWhich of the following would allow a plant to tolerate a cold environment? Group of answer choices A. producing small, smooth leaves with a small boundary layer B. generating sparsely placed leaf hairs to reflect solar radiation C. increasing the proportion of unsaturated fatty acids in cell membranes D. increasing evapotranspiration E. increasing the proportion of leaf mass relative to total body massarrow_forward
- Guard cells surround stomata on the surface of leaves. A new herbicide targets the function of guard cells and prevents them from becoming flaccid and closing the stomata. What effect would the herbicide have on plants? a.Plants would dry out because guard cells protect the epidermis against desiccation. b.Plants would be eaten because guard cells protect leaves against herbivores. c. Plants would dry out because stomata would not be able to close. d.lt would regulate the intake of minerals in the plants.arrow_forwardi. Based on Figure 2, identify the structure that regulates the movement of water and minerals towards the xylem in the root ii. Predict what will happen to the transportation of water and minerals through the plasma membrane if the root was poisoned and no cellular respiration occurred. iii. . Nitrate and phosphate are important anions for plants. Explain how the movement of protons (H+) influence the anions uptake across the plasma membrane of the root hair cellsarrow_forwardGuard cells are usually the only epidermal cells that are photosynthetic. How does that feature relate to the mechanisms of stomatal opening and closing?arrow_forward
- What is the reason that C3 plants must open their stomata even when the climate is hot and dry? Question 2 options: To take in CO To take in CO2 To take in water To let CO2 out of the leafarrow_forwardIf water diffuses into the plant cell, turgor pressure within the cell will_________. A. Increase and the cell will swell B. Decrease and the cell will plasmolyze C. Increase and the cell will experience lysis D. Decrease and the cell will experience lysisarrow_forwardWhich of the following structures is the most prominent inside the epidermal cell of Rhoeo discolor leaf? a. chloroplast b. chromoplast c. vacuole d. cell wall e. nucleusarrow_forward
- If you provided your shade-tolerant plants with their preferred wavelength of light, but only minimal amounts of water, which of the following would you expect to occur? increased plant growth decreased amounts of ATP being produced by the plants increased amounts of oxygen released by the plants increased growth of the plants’ leavesarrow_forwardNonvascular plants are mostly found in moist, shady areas because they absorb water directly from the surroundings. Why do nonvascular plant s absorb water directly from the surroundings?arrow_forwardAn important factor for plants is the amount of water lost for each molecule of carbon dioxide absorbed. How could he plant be harmed if it loses a lot of water for each carbon dioxide molecule, that is, if the ratio is too high?arrow_forward
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