Study Guide for Campbell Biology
Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 35, Problem 2TYK
Summary Introduction

Introduction: Cotyledons are the essential part of the embryo inside the plant seed. The presence of cotyledons is one of the features that help botanists to categorize the flowering plants. Monocotyledons are referred as species with the presence of cotyledons. The dicotyledons are referred as plants with two embryonic leaves.

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Determine the collective true-false status of the statements using the choices below.                                   I. Leaves of most monocots are long and narrow, with the base of the leaf wrapping around the stem and forming a sheath around it.; II. In most eudicots, a short stalk called a petiole attaches the leaf to a stem.; III. Eudicot leaves have two layers of mesophyll. The uppermost layer is spongy mesophyll.; IV. Cells of spongy mesophyll are more rounded than those of palisade mesophyll and have larger air spaces between them.     Only three (3) statements are true. None of the statements is true. All statements are true. Only two (2) statements are true. Only one (1) statement is true.
Determine the collective true-false status of the statements using the choices below.                                           I. The vascular bundles of monocot stems are typically distributed all throughout the ground tissue.; II. The vascular bundles inside a typical eudicot stem are arranged in a characteristic ring.; III. Bulbs are stems that branch from the main stem of the plant and grow horizontally on the ground or just under it.; IV. Allium cepa is a plant with a bulb stem. Only two (2) statements are true. Only three (3) statements are true. Only one (1) statement is true. None of the statements is true. All statements are true.
Choose 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.
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