BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 21, Problem 2MCQ
Which of the following is a supportive cell type with a thick secondary cell wall?
a. Collenchyma cell
b. Guard cell
c. Sclerenchyma cell
d. Vascular cambium cell
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which of the following best describes the parenchyma tissue?
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Which cells lack living cytoplasm at maturity?a. parenchymab. companionc. collenchymad. sclerenchyma
Compare collenchyma tissue to sclerenchyma tissue with regard to:a. the structure and composition of the cell wallb. functionsc. position in plants
Chapter 21 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 21.1 - Prob. 1MCCh. 21.1 - Prob. 2MCCh. 21.2 - Prob. 1MCCh. 21.2 - Prob. 2MCCh. 21.2 - Prob. 3MCCh. 21.3 - Prob. 1MCCh. 21.3 - Prob. 2MCCh. 21.3 - Compare and contrast tracheids, vessel elements,...Ch. 21.4 - Prob. 1MCCh. 21.4 - Prob. 2MC
Ch. 21.4 - Prob. 3MCCh. 21.4 - Prob. 4MCCh. 21.5 - Prob. 1MCCh. 21.5 - Prob. 2MCCh. 21.5 - Prob. 3MCCh. 21.5 - Prob. 4MCCh. 21.6 - Prob. 1MCCh. 21.6 - Prob. 2MCCh. 21.6 - Prob. 3MCCh. 21.6 - Prob. 4MCCh. 21.6 - Prob. 5MCCh. 21 - Prob. 1MCQCh. 21 - Which of the following is a supportive cell type...Ch. 21 - Prob. 3MCQCh. 21 - Prob. 4MCQCh. 21 - Prob. 5MCQCh. 21 - Prob. 6MCQCh. 21 - Prob. 7MCQCh. 21 - Prob. 1WIOCh. 21 - Prob. 2WIOCh. 21 - Prob. 3WIOCh. 21 - Prob. 4WIOCh. 21 - Prob. 5WIOCh. 21 - Mammals exchange gases in the alveoli of the...Ch. 21 - Prob. 7WIOCh. 21 - Prob. 8WIOCh. 21 - Prob. 9WIOCh. 21 - Prob. 10WIOCh. 21 - Prob. 11WIOCh. 21 - Prob. 12WIOCh. 21 - The Cork Forest Conservation Alliance is a...Ch. 21 - Review Burning Question 21.21. While controlled...Ch. 21 - Review the Survey the Landscape figure in the...Ch. 21 - Prob. 2PITCh. 21 - Prob. 3PIT
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- Which of the following cell types forms most of the inside of a plant? a. meristem cells b. collenchyma cells c. sclerenchyma cells d. parenchyma cellsarrow_forwardImagine a leaf of a palm tree. When it is fully grown, it must have sclerenchyma to support its size and weight. Do you think it has any sclerenchyma when it is tiny and just starting to grow? Would you expect that it might have collenchyma when it is medium sized and still growing?arrow_forwardQ:) Briefly discuss the following. •Meristematic cells. •Parenchyma cells. •Collenchyma cells. •Sclerenchyma cells.arrow_forward
- Which 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_forwardDetermine the collective true-false status of the statements using the choices below. I. Collenchyma cells stay alive in mature tissue.; II. Variably shaped cells of sclerenchyma die when they are mature.; III. The thick cell walls of sclerenchyma contain a high proportion of durable compounds such as pectin which lend sturdiness to plant parts and help them resist stretching and compression.; IV. In collenchyma, chitin imparts flexibility to these cells’ primary wall, which is thickened unevenly where three or more of the cells abut one another. All statements are true. Only three (3) statements are true. Only two (2) statements are true. Only one (1) statement is true. None of the statements is true.arrow_forwardThese plant cells are are distinctive for having thickened corners of the cells when examined as a cross-section: Select one: a. Collenchyma b. Sclerenchyma c. Parenchyma d. Fibers e. Scleridsarrow_forward
- What are sites of mitosis in plants? Select one: a. apical meristem b. plasmodesmota c. guard cells d. aquaporins e. xylemarrow_forwardthe cells in the region of the cell division divide at the base of the a. meristem b. pericycle c. epidermis d. pitharrow_forwardWhy do land plants need sclerenchyma cells?arrow_forward
- 1. Distinguish between the two types of phloem cells: the sieve tube elements and sieve cells 2. Describe how the vacuole maintains the water balance in the cell 3. Name the three principles of the cell theory 4. Name three macromoleculesarrow_forwardWhat structural features of guard cells foster their ability to form anopen pore in plant epidermal surfaces?a. thickened inner cell walls and radially oriented microfibrilsb. thickened outer cell walls and radially oriented microfibrilsc. thickened inner cell walls and longitudinal microfibrilsd. thickened outer cell walls and longitudinal microfibrilse. uniform thickness of cell walls and randomly arrangedmicrofibrilsarrow_forward5) Match the tissue name on the left with the description that best matches the structure of cells making up that tissue on the right: a) collenchyma cells are round, have very thin walls, and are alive at maturity. b) phloem cells have relatively few organelles and are hollow. c) parenchyma cells have thin walls and sometimes secrete a waxy substance. d) xylem cells have thick secondary cell walls reinforced with lignin. e) epidermis cells are long with a primary cell wall that is thickest at the ends of the cell, but no secondary cell wall. f) periderm cells are long and thin, hollow, with pits lining the sides of the cells. g) sclerenchyma some cells of this tissue have thick cell walls, whereas other cells of this tissue do not. 6) Match the tissue on the left with the description of the function it generally performs for the plant on the right: a) phloem flexible support, such as in petioles and herbaceous stems. b) xylem forms an outer barrier for leaves, young stems and roots.…arrow_forward
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