CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
18th Edition
ISBN: 9781323753149
Author: SIMON
Publisher: PEARSON C
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 33, Problem 10TYK
Summary Introduction
Introduction: Plant hormones are chemical messengers that are produced in trace amounts but profoundly affect the growth and development of a plant. Plant hormones perform various functions such as promoting growth, breaking dormancy, mediating fruit ripening, and providing tolerance to stress.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
31. what meristematic area produces parenchyma cells of the cortex
a. protoderm
b. pith
c. ground meristem
d. procambium
32. this meristematic area produces the primary xylem and primary phloem
a. procambium
b. ground meristem
c. protoderm
d. pith
Choose correct option and explain.
A plant wilts when-
a) sunlight is not available and the rate of photosynthesis slows down.
b) the mycorrhizae among its roots have "stolen" too much water from the plant.
c) it is sad.
d) turgor pressure in cells' central vacuoles is high.
e) turgor pressure in cells' central vacuoles is low
Choose the incorrect statement:
a.
Fusiform and ray initials are formed by the vascular cambium.
b.
The cork cambium produces the periderm layer, a thicker tougher outer layer that replaces the epidermis.
c.
Wood is composed of secondary xylem.
d.
The vascular cambium separates the xylem on the outside of the stem and the phloem on the inside.
Chapter 33 Solutions
CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
Ch. 33 - Test your knowledge of the five major classes of...Ch. 33 - Prob. 2TYKCh. 33 - Prob. 3TYKCh. 33 - In autumn, the amount of _____ increases and the...Ch. 33 - Prob. 5TYKCh. 33 - Prob. 6TYKCh. 33 - Which of the following is a type of defense used...Ch. 33 - Prob. 8TYKCh. 33 - Prob. 9TYKCh. 33 - Prob. 10TYK
Ch. 33 - Prob. 11TYKCh. 33 - Prob. 12TYKCh. 33 - Prob. 13TYKCh. 33 - Prob. 14TYKCh. 33 - A certain short-day plant flowers only when days...Ch. 33 - If apples are to be stored for long periods, it is...Ch. 33 - Prob. 17TYKCh. 33 - A plant nursery manager tells the new night...Ch. 33 - A plant biologist observed a peculiar pattern when...Ch. 33 - Imagine the following scenario: A plant biologist...Ch. 33 - Prob. 21TYK
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Phytochromesa. primarily respond to ultraviolet light.b. exist in two different stable forms.c. have the same effects in all flowering plants.d. have an active form called Pfr.arrow_forward5.A plant gets rid of excess water through transpiration. Which is a method used by plants to get ridof solid waste products?(a) shortening of stem(b) dropping down of fruits(c) shedding of yellow leaves(d) expansion of roots into the soilarrow_forward4. Define transpiration and give some of its significance 5. How do root hairs absorb water? 6. A plant hormone was first discovered in Japan when rice plants were suffering from Bakanae disease caused by Gibberella fujikoroi. Based on this information answer the following questions: a. Identify the hormone involved in this process. b. Which property of this hormone causes the disease? 7. Name the gaseous plant hormone and describe three different actions of this hormone in plants. 8. Explain how the auxin:cytokinin ratio affects plant growth.arrow_forward
- Phytochromea. can be affected by red and far-red wavelengths of light.b. affects a plant’s photoperiod.c. helps plants sense proximity to neighboring plants.d. All of these are correct.arrow_forwardPhytochrome is a plant pigment protein that: a. mediates plant infection b. promotes plant growth c. mediates morphological changes in response to red and far-red light d. inhibits plant growtharrow_forwardRootsa. are the primary site of photosynthesis.b. give rise to new leaves and flowers.c. have a thick cuticle to protect the epidermis.d. absorb water and nutrients.e. contain spores.arrow_forward
- label the micrograph, finding the:a. xylem parenchyma cellsb. phloem parenchyma cellsarrow_forwardStomata (a) help prevent desiccation of plant tissues (b) transport water and minerals through plant tissues (c) allow gas exchange for photosynthesis (d) strengthen cell walls (e) produce male gametesarrow_forwardWhich of the following is false about the phytochrome protein?a. There are two convertible forms.b. It primarly absorbes blue wavelengths of light.c. It is involved in seed germination.d. It is involved in plant sensing of spacing.arrow_forward
- Stems and roots, respectively, exhibit a. a positive phototropic response and no phototropic response. b. a negative phototropic response and no phototropic response. c. no phototropic response and a positive phototropic response. d. no phototropic response and a negative phototropic response.arrow_forwardPlease clearly type the answer the all of the parts to this question please (b) Explain how the floral stimulus, which originates in the minor veins of source leaves, has its effect in the shoot apical meristem. (c) Describe a classic experiment that demonstrated the existence of Florigenarrow_forward1. Some plants grow mostly upward and no side branches. This condition is known as A. Apical dominance B. Dwarfism C. Leaf drop D. Nastic movement 2. Which hormones is responsible for the case stated in number 1? A. Auxin B. Ethylene C. Gibberellins D. Cytokininarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage Learning
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Biology: The Unity and Diversity of Life (MindTap...BiologyISBN:9781305073951Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa StarrPublisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Biology: The Unity and Diversity of Life (MindTap...
Biology
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cengage Learning