BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 27, Problem 10SA
Summary Introduction

Introduction:

The phytohormones are the chemical compounds, which are released by the plants that influence various physiological processes in the plant. These plant hormones can be auxin, gibberellic acid, ethylene, cytokinin, and abscisic acid.

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Plant hormones______ . a. trigger the same responses in animals and plants b. are cues for tropisms c. do not participate in stress responses d. may have different effects in different tissues
Match the hormone with the observation. ___ ethylene                   a. Your cabbage plants form ___ cytokinin                      elongated flowering stalks. ___ auxin                        b. The potted plant in your room ___ gibberellin                     is leaning toward the window. ___ ABA                          c. The last of your apples is getting ___ nitric oxide                   really mushy.                                        d. The seeds of your roommate’s                                            marijuana plant do not germinate                                            no matter what he does to them.                                           e. Lateral buds are sprouting.                                            f. Your lettuce plants develop brown spots on their leaves.
ties of the brain and spinal cord B. Match the hormones that are supposed to be added to a plant in order to achieve the following results: a. Auxin b. Gibberellin c. Cytokinin d. Abscisic Acid e. Ethylene 19. unpollinated flowers are treated with this hormone so ovary enlarges and becomes a seedless fruit 20. substitute for temperature or light cues in plant seeds to get them to germinate 21. black spots on banana skin are spots where these are produced inducing ripening 22. seeds/bulbs stay dormant during winter to ensure survival of the plant when it germinates 23. most grape growers spray this in vines to increase length of branches between fruit clusters for more air spaces among fruits to lower fungal infections 24. sprayed on cut leaves and stems so they will remain green longer while unsprayed leaves will tum yellow and die
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