Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 27, Problem 3SQ
Summary Introduction
Concept Introduction: The phloem of the plant cell is composed of sclerenchyma, parenchyma, sieve elements and companion cells. The sieve element and the companion cells are found closely associated with each other. They are highly specialized type of elongated cells found in the phloem tissue of flowering plants.
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Which plant tissue provides support and mechanical strength to the plant?
A. Parenchyma tissue
B. Xylem tissue
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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.
Tracheids, vessel elements, sieve-tube cells, and companion cells are components of ________. a. vascular tissue b. meristematic tissue c. ground tissue d. dermal tissue
Chapter 27 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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- Which tissue system provides a covering for the plant body? (a) ground (b) vascular (c) periderm (d) dermal (e) cortexarrow_forwardIdentify the correct pairing of a structure and its component(s). a. epidermis: companion cells b. phloem: sieve-tube elements c. sclerenchyma: nonlignified cell walls d. secondary cell wall: cuticle e. parenchyma: sclereidsarrow_forwardGround tissue in monocot stems performs the same functions as _______________ and _______________ in herbaceous eudicot stems. (a) phloem; xylem (b) cork cambium; vascular cambium (c) epidermis; periderm (d) primary xylem; secondary xylem (e) cortex; pitharrow_forward
- The waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forwardWhich of the following would not be seen in a cross section through the woody part of a root? (A) sclerenchyma cells (B) parenchyma cells (C) sieve-tube elements (D) root hairsarrow_forwardChoose the incorrect statement: a. Fusiform and ray initials are formed by the vascular cambium. b. The cork cambium produces the periderm layer, a thicker tougher outer layer that replaces the epidermis. c. Wood is composed of secondary xylem. d. The vascular cambium separates the xylem on the outside of the stem and the phloem on the inside.arrow_forward
- If a leaf has a blade that consists of one piece of tissue, we say the leaf is __________________. If the blade consists of several pieces, however, we say it is a __________________ leaf. What type of leaf is shown for a rose as shown ? For a Virginia creeper?arrow_forwardWhich cells are responsible for the movement of photosynthates through a plant? a. tracheids, vessel elements b. tracheids, companion cells c. vessel elements, companion cells d. sieve-tube elements, companion cellsarrow_forward
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