Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 28, Problem 11SQ
With stomata closed, a waterproof cuticle ______.
- a. minimizes water loss through plant surfaces
- b. permits gas exchange between the plant and the air
- c. both a and b
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With stomata closed, a waterproof cuticle______ . a. minimizes water loss through plant surfaces b. permits gas exchange between the plant and the air c. both a and b
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Chapter 28 Solutions
Biology: The Unity and Diversity of Life
Ch. 28 - Prob. 1DAACh. 28 - Prob. 2DAACh. 28 - Prob. 3DAACh. 28 - Prob. 4DAACh. 28 - Prob. 1SQCh. 28 - Decomposing organic matter in soil is called...Ch. 28 - Prob. 3SQCh. 28 - Prob. 4SQCh. 28 - Prob. 5SQCh. 28 - Prob. 6SQ
Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 8SQCh. 28 - Prob. 9SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______....Ch. 28 - Prob. 12SQCh. 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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- Guard cellsa. are found primarily on the upper surface of leaves.b. open their stomata by shrinking.c. lack chloropolasts.d. close in response to abscisic acid.arrow_forwardLeaf tissue with sunken stomata will have ___ humidity near the stomata and ___ transpiration. Select one: a. increased, decreased b. decreased, increased c. increased, increased d. decreased, decreasedarrow_forwardMost water moves from soil to vascular cylinder_____ . a. through root hairs c. through root cell walls b. between root cells d. in xylemarrow_forward
- A waxy cuticle helps land plants_______ . a. conserve water c. reproduce b. take up carbon dioxide d. stand uprightarrow_forwardRoot hairs____ . a. conduct water from cortex to aboveground shoots b. increase the root’s surface area for absorption c. anchor the plant in soilarrow_forward. Which of the following is not a typical plant response to oxygen deficit due to flooding? * A. Aerenchyma formation B. Hyponastic growth of submerged leaves C. Stomatal closure D. Induction of anaerobic stress proteinsarrow_forward
- The first formed primary xylemelements are called ___________.A. MetaxylemB. ProtoxylemC. Xylem fibresD. Xylemp arenchymaarrow_forwardThe structure of the C4 leaf shows a. how mesophyll cells hug the epidermis of the leaf. hug the bundle sheath cells. b. C. they are spikey. how there are stomata on the underside of the leaf. they store water. TOU O b Oc O e darrow_forwardStomata are usually opena. at night, when the plant requires a supply of oxygen.b. during the day, when the plant requires a supply of carbondioxide.c. day or night if there is excess water in the soil.d. during the day, when transpiration occurs.e. Both b and d are correct.arrow_forward
- Sugar transport from leaves to roots occurs by_______ . a. a pressure gradient inside sieve tubes b. different solutes at source and sink regions c. the pumping force of xylem vessels d. evaporation, tension, and cohesionarrow_forwardWhen guard cells swell,______ . a. transpiration ceases c. stomata open b. sugars enter phloem d. root cells diearrow_forwardMinerals dissolved in watera. enter root epidermal cells by active transport.b. take an extracellular pathway through roots to thevascular cylinders.c. are transported up through phloem to the leaves.d. enter root cortex cells by diffusion.arrow_forward
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