BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 39, Problem 3U
Summary Introduction
Introduction:
The mass of the objects is comparatively smaller than the mass of the earth. The earth possess a great force of gravity on all the objects, due to which every object and particles attracted towards the surface of the earth.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Roots differ from stems because roots lack
a. vessel elements.
b. nodes.
c. an epidermis.
d. ground tissue.
The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root cap
The activity of lateral meristems_____ older roots and stems. a. lengthens b. thickens c. both a and b
Chapter 39 Solutions
BIOLOGY
Ch. 39.1 - Compare the pigments phytochrome and chlorophyll.Ch. 39.1 - List growth responses influenced by phytochrome.Ch. 39.1 - Prob. 3LOCh. 39.2 - Prob. 1LOCh. 39.2 - Prob. 2LOCh. 39.3 - Prob. 1LOCh. 39.3 - Prob. 2LOCh. 39.3 - Prob. 3LOCh. 39.4 - Prob. 1LOCh. 39.4 - Prob. 2LO
Ch. 39.4 - Identify the types of biological molecules that...Ch. 39.5 - Discuss properties of hormones.Ch. 39.5 - Prob. 2LOCh. 39.5 - Prob. 3LOCh. 39 - Prob. 1DACh. 39 - Prob. 1IQCh. 39 - Prob. 2IQCh. 39 - Propose a mechanism to explain how seedlings could...Ch. 39 - Which of the following is stimulated by blue...Ch. 39 - Prob. 2UCh. 39 - Prob. 3UCh. 39 - Prob. 4UCh. 39 - Which of the following does NOT happen as a seed...Ch. 39 - Dwarf mutants can sometimes be induced to grow...Ch. 39 - Prob. 1ACh. 39 - If you were to plant a de-etiolated (det2) mutant...Ch. 39 - Prob. 3ACh. 39 - Which of the following defects would prevent...Ch. 39 - You have come up with a brilliant idea to stretch...Ch. 39 - You have identified a mutant Arabtdopsis plant...Ch. 39 - Which of the following might not be observed in a...Ch. 39 - Prob. 1SCh. 39 - Prob. 2SCh. 39 - The current model for gravitropism suggests that...Ch. 39 - Prob. 4S
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
- With stomata closed, a waterproof cuticle______ . a. minimizes water loss through plant surfaces b. permits gas exchange between the plant and the air c. both a and barrow_forwardIn roots, growth of lateral branches beginsa. on the root epidermis.b. on the root hairs.c. at the ground meristem.d. at the pericycle.arrow_forwardChoose 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.arrow_forward
- Which of the following is/are false regarding the phloem? A. It transports starch from the leaves to the stem. B. It transports sucrose from the leaves to the roots. C. It is located lateral to the xylem in tree stems. D. Unlike the xylem, majority of the cells are living. E. A and D F. B and Carrow_forwardDetermine which of the following statements is/are true for root endodermis? A and B B and C B A and C A, B, and C C Aarrow_forwardWhich 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_forward
- Roots and shoots lengthen through activity at______ . a. apical meristems c. vascular cambium b. lateral meristems d. cork cambiumarrow_forwardCan you answer this question with both parts a. How does plant growth respond to gravity in stems vs. roots? b. How is gravitropism controlled during root growth?arrow_forwardWhich of the following causes increase in the diameter of a stem?a. Increase in size of cells in enlargement region.b. Secondary xylem produced by the vascular cambium.c. Secondary phloem produced by the vascular cambium.d. All of the above.arrow_forward
- Root hairs____ . a. conduct water from cortex to aboveground shoots b. increase the root’s surface area for absorption c. anchor the plant in soilarrow_forwardDifferentiate taproot system from fibrous root system.arrow_forwardWhich tissue system provides a covering for the plant body? (a) ground (b) vascular (c) periderm (d) dermal (e) cortexarrow_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 (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning