ompare the energy needs of a plant for the movement of water in the xylem according to the cohesion-tension model to the movement of phloem sap according to the pressure-flow model?

Q: Minerals absorbed by root move to the leaf through lg xylem (b) phloem (c) sleve tubes (d) none of…

A: Xylem transports water and mineral from the roots to the rest of the plant while Phloem translocates…

Q: How are trees able to grow so tall (some cases over 100m) when water should be boiling in their…

A: Cohesion-tension theory was proposed by Dixon and Jolly in 1894. Water molecules have a strong…

Q: Compare and contrast the forces that move phloem sapand xylem sap over long distances.

A: Long-distance transport cannot occur by diffusion through it can account for the cell to cell…

Q: During secondary growth of a plant,  ____ gives rise to wood and ____ gives rise to periderm.

A: Secondary growth in plants  Secondary growth is the growth where plant thickness is increase due to…

Q: why is pressure higher in parts of the phloem Where sugar is being loaded than in parts were sugars…

A: Movement of water and minerals through the xylem is driven by negative pressure and movement through…

Q: Which of the following is a mechanism of water movement in xylem that combines the evaporative pull…

A: Which of the following is a mechanism of water movement in xylem that combines the evaporative pull…

Q: What are some adptations of plants that are growing in hot regions,? Explain their mechanisms…

A: Adaptation is the quality of an organism of having certain specialised features that enhances its…

Q: According to the pressure-flow model, sugar is actively transported into phloem anda. enters xylem,…

A: Answer is d.)  water follows by osmosis, providing pressure that moves the water and sugar through…

Q: Explain the movement of organic nutrients in a plant according to the pressure-flow model of phloem…

A: Transportation is an indispensable interaction in plants. Trees transport all the supplements and…

Q: Which of the following statements is TRUE concerning CAM plants? They close their stomata during the…

A: CAM stands for Crassulacean acid metabolism. It is found in the minimum water availablity…

Q: Which of the following is a mechanism of phloem transport in which dissolved sugar is moved by means…

A: (e) Guttation describes the loss of liquid water through the leaves due to a buildup of (c) root…

Q: Which of the following statements is inaccurate?a. Water that evaporates from leaves is ultimately…

A: The vascular tissue of plants is made primarily from specialized cylindrical or elongated cells;…

Q: What is the tropic response called when a plant grows around an external object like a stake or…

A: We know that when a seed germinates in the soil its root and shoot keep growing if the developing…

Q: Some liquid is collected from the xylem in the stem of the plant. What is present in the liquid?

A: Procambium forms primary xylem throughout primary growth. Protoxylem and metaxylem are included.…

Q: Movement of the phloem sap is bidirectional (may be up and down) depending to the location of sink…

A: Phloem transport, flow from source to sink: The transport in phloem is bidirectional that means can…

Q: ________ are made up ofsclerenchymatous cells. These aregenerally absent in the primary phloembut…

A: Phloem is a type of complex permanent tissue in plants. The main function of phloem is the…

Q: Describe how bulk flow occurs in the xylem and phloem offlowering plants.

A: Bulk flow in plant biology generally refers to the movement of water from the soil up through the…

Q: Define the Cohesion-tension model of xylem transport ?

A: Plants have tissues to transport water, supplements and minerals. Xylem transports water and mineral…

Q: Discuss the transport of water from roots to leaves and a particular tropism/nastic movement in Rosa…

A: Introduction  Water, nutrients, and minerals are transported by tissues in plants. Water and mineral…

Q: Which of the following parts of a tree are involved in transpiration? Group of answer choices…

A: Stomata, Xylem, Phloem is the correct option. Transpiration Transpiration is also known as…

Q: Identify the statement that would describe the identified parts of the diagram. Write the number on…

A: 1= sucrose enters the phloem from the source cells through the companion cells. 2= water transfers…

Q: The process of bulk flow transports fluids in a plant. What are the two main bulk flow processes? *…

A: Introduction Bulk Flow Is A Pressure-dependent Process For Long-distance Movement Up Xylem Pipes.…

Q: How is the movement of water through the xylem different from the movement of food through the…

A:

Q: Phloem tends to flow downward because Select one: O a. the pressure in the leaves is usually lower…

A: a. the pressure in the leaves is usually lower then the pressure in the roots is correct answer.

Q: Contrast primary growth in roots and shoots

A: The growth of the plant that occurs due to the cell division of primary meristem present on the tip…

Q: where is xylem and phloem located inside the midvein of a monocot? Differentiate the xylem and…

A: Permanent tissues in plants result from division and differentiation in meristematic tissues. They…

Q: If the tension in the xylem vessel becomes too great, gas bubbles will form. Explain this phenomenon…

A: Xylem is the vascular part of the plant that helps in the transportation of the water from the roots…

Q: What allows the phloem to move material according to plant's need?

A: Phloem is the living tissue in the plants. It transports the soluble organic compounds including…

Q: A Water is polar, and the walls of the xylem are nonpolar. Water molecules have the ability to form…

A: Water moves in the plant with the help of xylem tissue.

Q: The clinging of xylem sap to the xylem walls to prevent the sap from moving downward is due to…

A: The rising or ascent of sap in the xylem tissue of plants is the vertical movement of water and…

Q: Both cohesion-tension and root pressure are mechanisms for moving water in the xylem.  What does it…

A: Xylem is defined as a plant vascular tissue that will convey or send water and dissolved minerals…

Q: Explain why phloem is necessary to produce roots.

A: The vascular tissue present in the plant allows the transportation of nutrients and water by a…

Q: Explain how water moves up the xylem vessels to the leaves in a continuous column.

A: In vascular bundles, non-woody plants, and non-woody sections of woody plants, xylem can be found.…

Q: 4.

A: Label 1 : This process is Transpiration in which water vapour moves out through pores called stoma…

Q: Using diagrams and words, explain the major theories of how nutrients are transported within plants.…

A: ROOT PRESSURE The various ions are actively transported into the vascular tissues of the roots,…

Q: What is the phenomenon wherein the plant grows toward the unidirectional light?   Photoperiodism…

A: Phototropism is correct answer. The phenomenon wherein the plant grows toward the unidirectional…

Q: Describe how the water potential of a leaf changes throughout the course of a 24-hour period. What…

A: The potential energy in water, or the difference in potential energy between a specific water sample…

Q: Explain the pressure flow theory of phloem transport.

A: Introduction  Plants need continuous supply of water and nutrients for their survival and growth.…

Q: what meristematic area produces parenchyma cells of the cortex a. protoderm b. pith c. ground…

A: The cortex is largely made up of big, thin-walled ground tissue parenchyma cells with little to no…

Q: Explain the role of light and carbon dioxide on the opening and closing of stomata

A: The paired guard cells present in plants  causes the stomata to open when they take up water and…

Q: Which of the following is not a typical plant response when exposed to drought conditions? * A.…

A: Biological functions such as photosynthesis are severely hampered by a lack of water.

Q: The vascular cambium of roots produces secondary xylem toward the and secondary phloem toward the ·…

A: The primary phloem is vascular tissue which requires energy for the transports of the materials and…

Q: Which of the following is a mechanism of water movement in xylem that does not generate sufficient…

A: Guttation is a process of exudation of xylem sap on the tip of the leaves it occurs when the stomata…

Q: Why is the secondary xylem and phloem always to either side of the vascular cambium? Is the primary…

A: Vascular plants are able to grow higher than other plants due to the rigidity of xylem cells, which…

Q: The following are some statements about long distance translocation of photo assimilates in higher…

A: Here i discuss about long distance translocation of photo-assimilates.

Q: Which statement(s) is/are false? * A. A water potential lower than that of the soil draws water into…

A: Water moves in the plants from a higher water potential to a lower water potential. The plant cells…

Q: Which of the following is/are false regarding the phloem? A. It transports starch from the leaves to…

A: Plant tissue system is a system that is composed of numerous cell combine together with each other.…

Q: Which of the following is true for the function of xylem and phloem? * A.…

A: Xylem and phloem plays a major role in transportation of important nutrients in the plants and are…

Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.