BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 26, Problem 13SA
Summary Introduction
Introduction:
Sugar transport in plants is necessary to transfer energy to the plants for carrying out various essential functions. The transport of sugar in plants takes place from the roots to the leaves.
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Root hairs____ . a. conduct water from cortex to aboveground shoots b. increase the root’s surface area for absorption c. anchor the plant in soil
Which of the following plant hormones is produced in the root meristems, travel upward and in higher concentration counter the apical dominance caused by ____________?
a. Gibberellins
b. Ethylene
c. Cytokinin
d. Abscisic acid
The ______ is impermeable to passive water transport, and regulates what enters the xylem.
Select one:
a.
meristem
b.
stomata
c.
palaside parenchyma
d.
guard cells
e.
casparian strip
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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- . 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_forwardWater transport from roots to leaves occurs by a. evaporation, tension, and cohesion b. a pressure gradient inside sieve tubes c. the pumping force of xylem vessels d. different solutes at source and sink regionsarrow_forwardThe first formed primary xylemelements are called ___________.A. MetaxylemB. ProtoxylemC. Xylem fibresD. Xylemp arenchymaarrow_forward
- Which of the following forces make the movement of water through the xylem possible? * A. Cohesion and adhesion B. Transpiration C. Root pressure D. A and B E. A, B, and Carrow_forwardNewly-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_forwardPruning plants can promote lateral stems and increased plant biomass by _____________. Select one: a. suppressing cytokinin transport b. suppressing auxin transport c. promoting cytokinin transport d. promoting auxin transportarrow_forward
- The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root caparrow_forwardChoose the incorrect statement: a. Bundle sheath cells surround the vascular bundles in both eudicots and monocots. b. Phloem sieve elements contain a higher concentration of amino acids than xylem vessels. c. Phloem sieve elements and xylem tracheary elements are similar at maturity because they are both dead. d. Root hairs are the primary cell type that absorbs water in roots.arrow_forward(3) a. b. The characteristics of water molecules to maintain a continuous column of water is: a. Root pressure b. Transpiration C. d. Forces Cohesion - Addison The reason for my answer is because : a. Releasing water as water vapors b. A pressure excreted by root through root system C. Releasing water from tips of leaves as liquid d. Interaction among water molecules and adsorption of water molecules to walls of xylem vesselsarrow_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_forwardwhich of the following concernig roost is incorrect? a. monocot roots exhibit primary grwoth and secondary growth b. dicots roots are called taproots c. dicots are called perennials because they exhibit secondary growth d. monoct roots form fibrous roots e. secondary growth causes the xylem and phloem to increase in diameter.arrow_forwardWhich of the following statements is/are false? A. Water is actively transported from source cells into companion cells. B. The transport of sucrose into the Osieve tube elements increases water potential in the phloem. C. The transport of water from the xylem into the phloem increases the O pressure which forces the sucrose water mixture down towards the sink. D. Transpiration cause the water to O move up to the leaves through the vessel elements. E. A and B F. B and Carrow_forward
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