Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 36, Problem 5TYU
Summary Introduction
Introduction:
NO3− (nitrate) is an anion that enters root hairs with the help of membrane transport proteins called cotransporters, carrying two solutes at once. It works as a symporter in this case and brings NO3− (nitrate) into the cell with the help of protons. Both the solutes move in the same direction.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which of the following may stimulate the growth of the roots in plant cuttings?
Select one:
a. The use of auxins.
b. A decrease in soil minerals.
c. A decrease in enzymes.
d. The use of endocrine secretions.
What would be the consequence of removing the Casparian strip?
a. Water and mineral nutrients would not be able to reach the xylem.
b. There would be less selectivity as to what passed into the xylem.
c. Water and mineral nutrients would be lost from the xylem back into the soil.
d. Water and mineral nutrients would no longer be able to pass through the cell walls of the endodermis.
Woody trunk of living trees was said to shrink and expand at different times of the day. Explain
this phenomenon in relation to cohesion tension theory and discuss how would plant overcome
embolism due to this theory.
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
- When absorption of water by the roots fails to keep up with the rate of transpiration, gain in turgor occurs, and the stomata close. A. Agree, because the transpiration occurs faster than root absorption. D. Disagree, because the condition should be when root absorption is able to keep up with transpiration, then stomates close. B. Disagree, because under this condition, the turgor pressure decreases and the stomates close. C. Agree, because increase in turgor pressure under this condition, closes the stomates.arrow_forwardThe structure of the C4 leaf shows a. how mesophyll cells hug the epidermis of the leaf. hug the bundle sheath cells. b. C. they are spikey. how there are stomata on the underside of the leaf. they store water. TOU O b Oc O e darrow_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_forward
- What role do cohesion and adhesion play in xylem transport?a. Like transpiration, they create a tension.b. Like root pressure, they create a positive pressure.c. Like sugars, they cause water to enter xylem.d. They create a continuous water column in xylem.e. All of these are correct.arrow_forwardWhich structure is involved in the transport of gibberlins through out the plant? A. Cork cambium B. Guard cells C. Vascular tissue D. Apical meristemarrow_forwardGaseous hormones are able to enter cells without requiring specialmembrane transporter. Which of the major plant hormones is adiffusible gas?a. auxin b. gibberellin c. cytokinin d. ethylene e. abscisic acidarrow_forward
- Which of the following is NOT an adaptation to a high saline environment? a. Secretion of salts b. Lowering of root water potential c. Exclusion of salt d. Production of pneumatophoresarrow_forwardThe process of bulk flow transports fluids in a plant. What are the two main bulk flow processes? * A. Movement of water up the xylem and movement of solutes up and down the phloem B. Movement of water up the phloem and movement of solutes up and down the xylem C. Movement of water up and down the xylem and movement of solutes up the phloem D. Movement of solutes up the xylem and movement of water up and down the phloem E. Movement of solutes down the phloem and movement of water up and down the xylem F. Movement of solutes down the phloem and movement of water up the xylemarrow_forwardGuard cells surround stomata on the surface of leaves. A new herbicide targets the function of guard cells and prevents them from becoming flaccid and closing the stomata. What effect would the herbicide have on plants? a.Plants would dry out because guard cells protect the epidermis against desiccation. b.Plants would be eaten because guard cells protect leaves against herbivores. c. Plants would dry out because stomata would not be able to close. d.lt would regulate the intake of minerals in the plants.arrow_forward
- Which of the following pathways best summarizes the route of a mineral that isabsorbed by a plant? a. Root hairs → epidermis → cortex → endodermis → pericycle → xylem b. Root hairs → epidermis → endodermis → cortex → xylem c. Root hairs → pericycle → endodermis → cortex → xylem d. Root hairs → endodermis → cortex → pericycle → xylemarrow_forwardWhich 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…arrow_forwardWhich of the following statements is/are FALSE for CAM plants? a.The dark reaction uses less ATP and NADPH than other plants. b.Succulents and tropical plants growing under semi-arid condition. c.C4 pathway occurs at night and C3 pathway occurs at daytime. d.Scotoactive stomata are open during daytime but close at nighttime.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