Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 30, Problem 39CTQ
The process of bulk flow transports fluids in a plant. Describe the two main bulk flow processes.
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Draw a simple flow diagram or sketch to illustrate the flow path of water through a plant, from the point of uptake from the soil to transpiration and… (read in image below)
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Make a simple HAND DRAWN sketch or flow diagram toillustrate the flow path of water through a plant, from the point of uptake from the soil totranspiration from the leaves. Ensure that you incorporate the following aspects in your sketch / diagram:• Water movement from the soil into the root, to the vascular tissues and the rest of theplant and into the atmosphere.• Label all the organs, tissues and structures involved in water uptake and transport.• Mention the mode of water movement (e.g. diffusion, osmosis, mass flow) whereapplicable along the symplastic and apoplastic pathways of water uptake and transport
Chapter 30 Solutions
Biology 2e
Ch. 30 - Figure 30.7 Which layers of the stem are made of...Ch. 30 - Figure 30.32 Positive water potential is placed on...Ch. 30 - Figure 30.34 Which of the following statements is...Ch. 30 - Plant regions of continuous growth are made up of...Ch. 30 - Which of the following is the major site of...Ch. 30 - Stem regions at which leaves are attached are...Ch. 30 - Which of the following cell types forms most of...Ch. 30 - Tracheids, vessel elements, sieve-tube cells, and...Ch. 30 - The primary growth of a plant is due to the action...Ch. 30 - Which of the following is an example of secondary...
Ch. 30 - Secondary growth in stems is usually seen in...Ch. 30 - Roots that enable a plant to grow on another plant...Ch. 30 - The forces selective uptake of_____ minerals in...Ch. 30 - Newly-formed root cells begin to form different...Ch. 30 - The stalk of a leaf is known as the petiole lamina...Ch. 30 - Leaflets are a characteristic of leaves ______ ....Ch. 30 - Cells of Thecontain chloroplasts epidermis...Ch. 30 - Which of the following is most likely to be found...Ch. 30 - When stomata open, what occurs?______ Water vapor...Ch. 30 - Which cells are responsible for the movement of...Ch. 30 - The main photoreceptor that triggers phototropism...Ch. 30 - Phytochrome is a plant pigment protein that...Ch. 30 - A mutant plant has roots that grow in all...Ch. 30 - After buying green bananas or unripe avocadoes,...Ch. 30 - A decrease in the level of which hormone releases...Ch. 30 - A seedling germinating under a stone grows at an...Ch. 30 - What type of meristem is found only in monocots,...Ch. 30 - Which plant part is responsible for transporting...Ch. 30 - Describe the roles played by stomata and guard...Ch. 30 - Compare the structure and function of xylem to...Ch. 30 - Explain the role of the cork cambium in woody...Ch. 30 - What is the function of lenticels?Ch. 30 - Besides the age of a tree, what additional...Ch. 30 - Give two examples of modified stems and explain...Ch. 30 - Compare a tap root system with a fibrous root...Ch. 30 - What might happen to a root if the pericycle...Ch. 30 - How do dicots differ from monocots in terms of...Ch. 30 - Describe an example of a plant with leaves that...Ch. 30 - The process of bulk flow transports fluids in a...Ch. 30 - Owners and managers of plant nurseries have to...Ch. 30 - What are the major benefits of gravitropism for a...Ch. 30 - Fruit and vegetable storage facilities are usually...Ch. 30 - Stomata close in response to bacterial infection....
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- Consider a soil with the following properties: The water content at the permanent wilting point is 0 = 5 Vol.% The actual plant available water accounts for 3 Vol.% The water content at saturation is 0,-38 Vol.% The water content at a suction of 10 cm is 35 Vol.% a) What is the field capacity of your soil? State the calculation, not only the result. b) What matric potential (suction) values do you assume for the wilting point and field capacity of your soil?arrow_forwardA leaf is placed in a beaker containing a salt solution with a solute potential of -0.5 MPa. Over time the leaf turgor increased to 0.8 MPa at which time the leaf comes into equilibrium with the solution. What is the: 1)Water potential of the solution: 2)Solute potential of the leaf: 3)Water potential of the leaf: 4) pressure potential of the leaf:arrow_forwardB) If you have a mesophyll cell in a leaf (a living, parenchyma cell in a leaf) with a slight positive turgor pressure (Yp = 0.01 MPa) and solutes (Ys = -3.0 MPa), and it is next to a xylem vessel element with very few solutes in the xylem sap (Ys = -0.01 MPa) but high physical tension (Yp = - 2.0 MPa), which way will water flow? a) from the mesophyll cell into the vessel element b) from the vessel element into the mesophyll cell c) neither direction. They are at equilibrium. Activa GoroSearrow_forward
- Water potential is a driving force in plants’ ability to transport water. Explain what water potential is, and describe a specific example of its role in water movement throughout a plant.arrow_forwardWhich the following statement is FALSE:?a. Relative water content is not a very sensitive index because leaves can show strong responses to <2% change in RWCb. Relative water content is not a very sensitive index because it gives no information about the forces for water movementc. Relative water content is equal the ratio of the mass of water in a given leaf over the mass of water when that leaf was fully saturatedd. Relative water content is equal the ratio of the mass of water in a dry leaf over the mass of water when that leaf was fully saturatedarrow_forwardThe osmotic potential of the plant cell is -0.1 MPa and it is placed in an 9 mM sorbitol solution (21 °C). Calculate the turgor pressure of the cell when the water potential of the cell has equilibrated to the same as that of the solution.arrow_forward
- Examine the sketch of the xylem elements below (they are displayed horizontally to save page space), these elements are from top to bottom A, B, C, and D. In examining the graph below provide the sequence from left to right that you would expect the vessel elements to fall on the graph. 120 100 80 60 40 20 -12 -10 -8 -6 -4 -2 2 Xylem Water Pressure (Mpa) Percent Loss in Xylem Conductancearrow_forwardThe water potential of three adjacent plant cells are as follows: X 0kPa Y -1000kPa Z -4000kPa In which direction will water move?arrow_forward64arrow_forward
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