WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 19, Problem 10MC
Summary Introduction
Introduction:
Cytokinins are a group of hormones that stimulate cell division throughout the body and throughout the lifetime of the plant.
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1.
a)List two characteristics of plants that make them unique.
b)Why do plants need to exchange gases with the environment?
c)Distinguish between a fibrous root and a taproot.
d)What is the main driving force for the movement of water in plants?
e)State four benefits of asexual reproduction in plants.
a. Describe the function of plant roots.
b) Describe the function of plant shoots.
c)What is the function of lignin in terrestrial plants?
d)What are xylem and phloem and how do they differ?
e)Exactly what is pollen?
f)Exacly what is a seed?
8.a) Describe the function of pollen in gymnosperm and angiosperm sexual reproduction.
b)What are the three most important nutrients for plant growth?
c)Why do most commercial fertilizers contain only macronutrients?
d)Name the five plant growth regulators that are found in most plants.
Chapter 19 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
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- Which of the following is NOT a function of the stem in a plant? Which of the following is NOT a function of the stem in a plant? A) absorb water B) store nutrients C) produce new plant cells D) support flowers and leavesarrow_forwardPlant-to-plant signalling in response to herbivory is mediated by Select one: a)lignin deposition b)abscisic acid c)the anti-malarial molecule artemisin d)volatile organic compoundsarrow_forwardHow is collenchyma and sclerenchyma tissue similar A) They both provide protection for the plant B) They both transport material throughout the plant O C) They both provide support O D) They both provide energy for the plantarrow_forward
- Black spot fungus is a disease that is known to attack roses in humid climates. At first, small black spots appear on the leaves. If left untreated, the entire plant can die. From this information, what is mostly the main cause of the demise? a) The plants’ cells are unable to carry out aerobic respiration. b) The leaves are unable to manufacture enough sugar to maintain the health of the plant. c) The roots are unable to absorb enough water. d) The stems are unable to support the plant.arrow_forwardPlants do not require oxygen to produce ATP. A) True B) Falsearrow_forward7. a)Tea plants contain several chemical compounds, including tannins and caffeine. What function do both tannins and caffeine perform for tea leaves? b)By what process does water enter the root cells of a plant? c)The blade of the leaf is attached to the stem by a stoma. Is this true or false?arrow_forward
- Which is common to the life cycles of both flowering and non-flowering plants? a) produce fruit b) stay dormant c) pollination d) producing conesarrow_forwardClassify the pictured organism. Answers a) monocot angiosperm b) dicot angiosperm c) monocot gymnosperm d) dicot gymnosperm either a) or c) Please explain which one is correct.arrow_forwardWhich of the following statements are true of xylem? A) It is found in all land plants.B) It assists in conducting of materials, such as water and minerals, throughout the plant.C) It can provide structural support to the plant.D) It is found in the gametophyte generation, but not in the sporophyte.E) It contains specialized cells known as tracheids and vessel elementsarrow_forward
- What is false about the image below? A) The cells are part of plant ground tissue B) The cells are parenchyma cells. C) The cells provide flexible support. D) The cells would be a site of starch storage if they were in the roots 373arrow_forwardThe summer is not optimal for grape growing and you're searching in your memory for something regarding plant hormones. Explain 2 ways you could utilize plant hormones (choose from auxin, ethylene, cytokinin, gibberellin, abscisic acid, salicylic acid, jasonic acid) to compensate for a problem during growing. For each way:arrow_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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