BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 26, Problem 11SA
Summary Introduction
Introduction:
The guard cells are referred to those cells that are present in the epidermis of the leaves and stems. These guard cells are always seen in pairs and are responsible for the exchange of gases in plants.
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The activity of lateral meristems_____ older roots and stems. a. lengthens b. thickens c. both a and b
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
Secondary growth in stems is usually seen in ________. a. monocots b. dicots c. both monocots and dicots d. neither monocots nor dicots
Chapter 26 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 26 - Prob. 1SACh. 26 - Prob. 2SACh. 26 - Prob. 3SACh. 26 - Prob. 4SACh. 26 - The nutrition of some plants is enhanced by a...Ch. 26 - Water evaporation from plant parts is called...Ch. 26 - Prob. 7SACh. 26 - Prob. 8SACh. 26 - Sieve tubes are part of ___________. a. cortex c....Ch. 26 - Prob. 10SA
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- Newly-formed root cells begin to form different cell types in the ________. a. zone of elongation b. zone of maturation c. root meristem d. zone of cell divisionarrow_forwardSugar 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_forwardThe epidermis___________. a. Is made of lignified cells that created a protective layer over the surface of a plant b. Expands throughout secondary growth c. Generates all trichomes d. Prevents gas and water exchange with the environmentarrow_forward
- Roots and shoots lengthen through activity at______ . a. apical meristems c. vascular cambium b. lateral meristems d. cork cambiumarrow_forwardThe conducting tubes in a vascular cylinder are______ . a. endodermis d. xylem only b. pericycle e. xylem and phloem c. root cortex f. companion cellsarrow_forwardThe primary growth of a plant is due to the action of the ________. a. lateral meristem b. vascular cambium c. apical meristem d. cork cambiumarrow_forward
- The first formed primary xylemelements are called ___________.A. MetaxylemB. ProtoxylemC. Xylem fibresD. Xylemp arenchymaarrow_forwardClosed stomata______ . a. limit gas exchange c. prevent photosynthesis b. permit water loss d. absorb lightarrow_forwardThe seed coat forms from the______ . a. integuments c. endosperm b. coleoptile d. sepalsarrow_forward
- Most water moves from soil to vascular cylinder_____ . a. through root hairs c. through root cell walls b. between root cells d. in xylemarrow_forwardStomata close in response to_______ . a. ABA c. bacterial flagellin b. nitric oxide d. all of the abovearrow_forwardIn phloem, organic compounds flow through ______ .a. collenchyma cells c. vesselsb. sieve elements d. tracheidsarrow_forward
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