Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 36, Problem 2DA
Summary Introduction
To determine: The effect on the movement of water through the plant when the radius of the xylem vessel is increased threefold due to the occurrence of mutation.
Introduction: The movement of the water occurs through the xylem in plants due to the exertion of the osmotic pressure. Roots are the specialized structures of the plants, which facilitate water transport to the various parts of plants to perform the photosynthetic process to generate energy and oxygen.
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i. Based on Figure 2, identify the structure that regulates the movement of water and minerals towards the xylem in the root.
ii. Name structure of the cell membrane allows it to act as a selective barrier?
iii. Predict what will happen to the transportation of water and minerals through the plasma membrane if the root was poisoned and no cellular respiration occurred.
When farmers apply too much fertilizer to the ground, the solute concentration is higher in the soil than it is in the roots. Explain how this would affect plants.
And place these structures in the order that water passes through them during transpiration: endodermis, root cortex, root hair, spongy mesophyll, stomata, and xylem.
-Thank you!
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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- B. LEAF ADAPTATION The main function of the leaf is in the processes of photosynthesis and transpiration. Apart from these functions, leaf is sometimes adapted to perform other functions. Examples of leaf adaptations are for: a) Support, which could be seen by the presence of tendrils b) Catching insects, by having cup-liked shape of hairs sensitive to touch c) Reproduction, by having meristematic cells able to produce new shoots that will go on to become new individual plants d) Food and water storage, especially found in plants living in dry areas where water is scarce (for example succulent plants, having leaf storing food and water) e) Floatation, for plants living on the water surface, their leaves in general will have air openings on tissues (used for floating) usually found on leaf petiole f) Protection, by having leaves completely or partially modified as thorns Instruction: a) 1. Search for ONE plant species with the following leaf adaptations 2. Give their scientific names…arrow_forwardPlease answer question 2arrow_forwardH2O is polar molecule. List 2 emergence properties of h2O that enables it to be stretched through xylemarrow_forward
- Sclerophyllous foliage leaves like those in holly, barberry (as shown), and Yucca (as shown) have many unusual features. Do they live for 1 year or longer? They are more resistant to animals that might try to eat them. Why? What type of cells do they have that most leaves do not have?arrow_forwardPlease answer the second questionarrow_forwardPLANT STRUCTURE: STEMS AND ROOTS STEM ANATOMY: Secondary Growth in a eudicot - woody tissues Q: Identify the following on the attached figure a & b: Primary xylem, secondary xylem, secondary phloem, growth ring, large diameter vessels of early growth; small diameter vessels of late growth; boundary of growth ring.arrow_forward
- When stomata open, what occurs?______ Water vapor is lost to the external environment, increasing the rate of transpiration Water vapor is lost to the external environment, decreasing the rate of transpiration Water vapor enters the spaces in the mesophyll increasing the rate of transpiration Water vapor enters the spaces in the mesophyll decreasing the rate of transpiration.arrow_forwardFigure 30.34 Which of the following statements is false? Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the xylem. Transpiration draws water from the leaf. Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the phloem. Transpiration draws water from the leaf. Water potential decreases from the roots to the top of the plant. Water enters the plants through root hairs and exits through stoma.arrow_forwardStomata open in response to light when _______ a. ions flow into guard cell cytoplasm b. ions flow out of guard cell cytoplasm c. water evaporates out of guard cellsarrow_forward
- The primary growth of a plant is due to the action of the.______ lateral meristem vascular cambium apical meristem cork cambiumarrow_forwardTree rings occur _______. a. when there are droughts during the time the rings form b. where environmental conditions influence xylem cell size c. if heartwood alternates with sapwood d. as epidermis replaces peridermarrow_forwardPhytochrome is a plant pigment protein that mediates plant infection promotes plant growth mediates morphological changes in response to red and far-red light inhibits plant growtharrow_forward
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