Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 28.2, Problem 1TYK
Summary Introduction
Introduction:
Growth in plants is restricted to certain regions wherein cells divide near the tip of the plant shoot. But in animals, growth is such that cell division occurs on all parts of the body and slows down with time unlike plants wherein growth continues throughout its lifespan.
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Which of the following statements about age gradients within the plant body is FALSE?
Select one:
a. Age gradients within the plant body include an apical-basal gradient where the youngest cells are near the apices (tips of shoots and roots).
b. Age gradients within the plant body reflect the plant cells’ lack of mobility due to their shared walls.
c. Phloem is oldest toward the outermost cell layers of the tree trunk and xylem is oldest toward the innermost cell layers of a tree trunk.
d. All of the statements are true.
e. Age gradients within the plant cells include walls that are youngest immediately adjacent to the plasma membrane and progressively older toward the middle lamella.
Thick cell wall material that provides sturdiness to plant parts is called ____________ tissue.
Plant stems with vascular tissue dispersed in the ground tissue are called _____________.
Pore openings in plant leaves are called ______________.
What soil element is necessary for the synthesis of plant proteins? ______________.
Plant transpiration takes place in what vascular tissue? ______________.
A plant zygote with 3 sets of chromosomes is called a ___________ cell.
In asexual plant reproduction, each new plant is called a ____________.
A plant hormone responsible for fruit ripening is called ______________.
A photoperiodic plant cycle which repeats every 24 hours is called a _________________.
Plant response to sunlight is called _________________.
Which of the following meristems are responsible for secondary growth in woody plants?
Group of answer choices
ground meristem and procambium
vascular cambium and protoderm
cork cambium and vascular cambium
protoderm and procambium
Chapter 28 Solutions
Principles of Biology
Ch. 28.1 - Refer back to Figure 25.4 to see the life cycle...Ch. 28.1 - Prob. 1TYKCh. 28.1 - Prob. 2TYKCh. 28.2 - Prob. 1CCCh. 28.2 - Prob. 2CCCh. 28.2 - Prob. 1TYKCh. 28.2 - Prob. 2TYKCh. 28.3 - Prob. 1CCCh. 28.3 - Prob. 2CCCh. 28.3 - Prob. 3CC
Ch. 28.3 - Prob. 1TYKCh. 28.3 - Prob. 2TYKCh. 28.4 - Prob. 1TYKCh. 28.4 - Prob. 2TYKCh. 28.4 - Prob. 1CCCh. 28 - Where would you look to find the gametophyte...Ch. 28 - Prob. 2TYCh. 28 - Prob. 3TYCh. 28 - Prob. 4TYCh. 28 - Prob. 5TYCh. 28 - Prob. 6TYCh. 28 - Prob. 7TYCh. 28 - Prob. 8TYCh. 28 - Prob. 1CCQCh. 28 - Prob. 2CCQCh. 28 - Prob. 3CCQCh. 28 - Prob. 1CBQCh. 28 - Prob. 2CBQ
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- What are the flaws ? Meristematic tissue is the site of mitosis and therefore growth for a plant. Apical meristem is found at the tips of roots and shoots and allows them to produce flowers. Lateral meristem is found along the length of the plant and allows it to increase in width. Intercalary meristem is found in nodes along grasses and allows them to grow from the “base”, which is why grass continues to grow after it is cut. Plants have three organs: leaves, stems, and roots. While the functions of the organs are the same between plants, the structure is different between two large groups of plants: monocots and dicots. Leaves are the site of photosynthesis. In monocots, the vascular tissue is in parallel veins like in grass. In dicots, the veins form a web or net pattern like in a maple leaf. A bulb is a modified leaf that allows the plant to store food. Stems make up the “body” of the plant and support the leaves. In monocots, vascular bundles are found randomly throughout the…arrow_forwardThe functions of vascular tissue in plants include (Check all that apply) Check All That Apply physical support of the plant physical support of the plant photosynthesis transport of water transport of water transport of minerals transport of minerals transport of organic compounds transport of organic compounds transport of gamete transport of gametesarrow_forwardWhich of the following cell type remain alive in mature plant tissue? •vessel elements •tracheids •sclerenchyma •sieve elementsarrow_forward
- Which of these plant structures is considered a source tissue? (Choose All That Apply) tubers (like potatoes) non-photosynthetic stems roots engaged in water uptake apical meristems mature leavesarrow_forwardWhich of the following is the defining feature of true vascular tissue in plants? Group of answer choices the presence of lignin tracheids vessel elements the presence of cellulose none of the abovearrow_forwardA unique feature of plants is indeterminate growth. Indeterminate growth is possible because a. meristematic regions for primary growth occur throughout the entire plant body. b. all cell types in a plant often give rise to meristematic tissue. c. meristematic cells continually replace themselves. d. all cells in a plant continue to divide indefinitely.arrow_forward
- Which of the following adaptations allows plants to pause their life cycle until environmental conditions are optimal? a. Stomata b. Phloem and xylem c. Seeds d. Flowersarrow_forwardAll of the protoplasm of one plant can be considered to be one continuous mass, called the ______________ _________________. Walls and intercellular spaces of a plant are called the ___________________________ of the plant.arrow_forwardPlant stem cells such as those found in cambium tissues are able to -fight microbial invaders by becoming mobile and phagocytic. -produce nutrients for other cells. -remain undifferentiated but divide to produce cells that differentiate into new tissues. -exist as mature cells.arrow_forward
- students are asked to pair a plant structure to its physiological function and give evidence for why that structure is important for the process they describe Anne The root hairs are used to pull in sugars available in the soil that give the plant energy for growth and reproduction Jamil : The phloem is needed for cellular respiration as transports the carbon dioxide the leaves in order to perform cellular respiration Shantal The cambium is important for photosynthesis because it allows water into the plant is needed as a reactant for photosynthesis Enrique The guard cells are needed during transpiration because they open and close to regulate the gases that enter and leave the plant student correctly described a plant structure and its physiological function?arrow_forwardA plant that you are studying has sluggish wound healing abilities as well as an inability to store significant food reserves. You would like to enhance its ability to store food reserves. If you could enhance the growth of a tissue to improve this property, which tissue would you enhance? -Lateral meristem. -Periderm. -Parenchyma of the stem cortex. -Root apical meristem.arrow_forwardThe growth of plants is due to the division of __________, which are found in ___________. a. stem cells, the shoots b. stem cells, apical and basal meristems c. somatic cells, the shoots d. somatic cells, apical and basal meristemsarrow_forward
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