BIOLOGY 12E CONNECT ACCESS CARD
12th Edition
ISBN: 9781264938513
Author: Raven
Publisher: 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.
Which one of the following statements about root hairs is CORRECT?
Select one:
a. They are found in the zone of cell elongation and help the root to fix nitrogen.
b.They are found in the root cap and help the root sense gravity.
c.They are found in the zone of cell division of the root and help anchor the plant in the soil.
d.They are found in the root apical meristem and help the root to absorb water.
e.They are found in the zone of cell differentiation in the root.
Which of the following best describes the route to fruit formation in flowering plants?
Select one:
a. 1) pollination, 2) double fertilization, 3) embryo develops, 4) ovary matures, 5) ovule matures.
b. 1) pollination, 2) germination of pollen, 3) endosperm develops, 4) ovule develops.
c. 1) pollination, 2) endosperm develops, 3) embryo develops, 4) ovule matures.
d. 1) pollination, 2) fertilization, 3) embryo develops, 4) ovary matures.
e.1) pollination, 2) fertilization, 3) germination of pollen, 4) ovule…
Root hairs form in the zone of
a. cell division.
b. elongation.
c. maturation.
d. More than one of the choices are correct.
Chapter 39 Solutions
BIOLOGY 12E CONNECT ACCESS CARD
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
- Which of the following statements about gravity perception is FALSE? A. Statoliths are specialized amyloplasts B. Statoliths are found in statocytes C. Gravity is sensed from the root cap acropetally through the zone of division D. Columella cells sense gravity through statolith pressure on the endoplasmic reticulum E. Auxin is the main hormone involved in gravity responsearrow_forwardThe ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root caparrow_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
- Determine the collective true-false status of the statements using the choices below. I. Sclereids are sclerenchyma cells that strengthen hard seed coats, and they also make pear flesh gritty.; II. In older stems and roots, a complex dermal tissue called endoderm replaces the epidermis.; III. Phloem consists of two types of cells: vessel elements and tracheids.; IV. Vessel elements and tracheids are alive in mature tissue. Only two (2) statements are true. All statements are true. None of the statements is true. Only three (3) statements are true. Only one (1) statement is true.arrow_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_forwardContractile roots usually are combined with such shoot modification as A. Bulb B. Tuber C. Rhizome D. Tendril E. Stolenarrow_forward
- Which of the following statements is incorrect? a. Vascular bundles are arranged in a ring in the outer parts of monocot stems in whereas in eudicots they are scattered throughout the stem. b. The cuticle is a hydrophobic layer that covers the aerial part of plants c. Vascular bundle arrangement is different in stem and root. d. The epidermis and periderm form the dermal tissue of plants.arrow_forwardWhich of the following is not an example of leaf adaptations against excessive heating? A. Small leaves B. Leaf rolling C. Reflective hairs D. Thin cuticlearrow_forwardWhich of the following is false? a. Stems have vascular bundles, and roots have vascular cylinders. b. Lateral roots can arise from nodes on a root. c. Primary growth (lengthening) can occur at an axillary bud. d. Apical meristem gives rise to epidermal tissue, ground tissue, and vascular tissue. e. Wood is xylem that forms during secondary growtharrow_forward
- The ability of a sunflower plant to become taller is directly due to itsa. apical meristem. c. mesophyll cells.b. lateral meristems. d. petiole.arrow_forwardCompare the preserved untreated and colchicine-treated onion root tip: a. size b. appearance c. other morphological characterizationsarrow_forwardA stamen contains aa. style.b. stigma.c. filament.d. carpel.arrow_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