BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 36, Problem 6U
The formation of an air bubble in the xylem is called
a. agitation.
b. cohesion.
c. adhesion.
d. cavitation.
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Students have asked these similar questions
The formation of an air bubble in the xylem is called
a. agitation.
b. cohesion.
c. adhesion.
d. cavitation.
If the xylem is under high tension, how will the flow rate in the xylem will be affected?
Water movement through the xylem needs less pressure than movement through living cells.
A. Agree, because water moves in xylem through diffusion.
B. Disagree, because water needs turgor pressure in order to diffuse.
D. Disagree, beacuse both need equal pressure for materials to pass through xylem and living cells like sievetubes.
C. Agree, because water is non-living while photosynthates are living and must pass through living cells that require pressure.
Chapter 36 Solutions
BIOLOGY
Ch. 36.1 - Predict the direction of water movement based on...Ch. 36.1 - Prob. 2LOCh. 36.2 - Prob. 1LOCh. 36.2 - Prob. 2LOCh. 36.3 - Prob. 1LOCh. 36.3 - Prob. 2LOCh. 36.4 - Prob. 1LOCh. 36.4 - Prob. 2LOCh. 36.5 - Prob. 1LOCh. 36.6 - Prob. 1LO
Ch. 36.6 - Prob. 2LOCh. 36 - What would w, s, and p of the cell in figure 36.5a...Ch. 36 - Prob. 2DACh. 36 - Data analysis Comparative analyses of fossil and...Ch. 36 - Prob. 1IQCh. 36 - Which of the following is an active transport...Ch. 36 - The water potential of a plant cell is the a. stun...Ch. 36 - Hydrogen bonding between water molecules results...Ch. 36 - Water movement through cell walls is a....Ch. 36 - Prob. 5UCh. 36 - The formation of an air bubble in the xylem is...Ch. 36 - Prob. 7UCh. 36 - Stomata open when guard cells a. take up...Ch. 36 - Prob. 9UCh. 36 - A plant must expend energy to drive a....Ch. 36 - Which of the following statements is inaccurate?...Ch. 36 - If you could override the control mechanisms that...Ch. 36 - Prob. 3ACh. 36 - If you were able to remove the aquaporins from...Ch. 36 - Prob. 5ACh. 36 - If you fertilize your houseplant too often, you...Ch. 36 - How could you detect a plant with a mutation in a...Ch. 36 - Prob. 3SCh. 36 - Prob. 4SCh. 36 - A carrot is a biennial plant. In the first year of...
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- 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_forwardVertical elongated cells of the xylem (such as tracheids or vessels) are developed from a. cortex O b. C. ray initials fusiform initialsarrow_forwardWhich 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_forward
- Which of the following cell types remain alive in matureplant tissue?a. sclerenchyma c. tracheidsb. sieve elements d. vessel elementsarrow_forwardThe cork cambium: O a. Transports air. O b. Is only found in roots. O c. Is a thick protective layer. O d. Forms a layer around the xylem. O e. Forms a layer under the epidermis.arrow_forwardThe cork cambium: O a. Is a thick protective layer. O b. Forms a layer around the xylem. Oc Transports air. O d. Is only found in roots. O e. Forms a layer under the epidermis.arrow_forward
- Determine the collective true-false status of the statements using the choices below. I. Xylem consists of cells called sieve elements and their associated companion cells.; II. Both sieve elements and the associated companion cells are alive in mature tissue.; III. Companion cells are a type of collenchyma.; IV. A companion cell provides each sieve element with metabolic support and transfers sugars into it. Only two (2) statements are true. None of the statements is true. All statements are true. Only one (1) statement is true. Only three (3) statements are true.arrow_forwardThe first formed primary xylemelements are called ___________.A. MetaxylemB. ProtoxylemC. Xylem fibresD. Xylemp arenchymaarrow_forwardWhen 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_forward
- 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.arrow_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_forwardA region of active cell division where primary growth occurs is the a. internode.b. apical meristem.c. root nodule.d. cork cambium.e. vascular cambium.arrow_forward
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