If the tension in the xylem vessel becomes too great, gas bubbles will form. Explain this phenomenon countermeasures by plant to address this issue.
Q: Explain transport in the phloem (driving forces, process, major organs involved). How is this…
A: Plants are autotrophic organisms as they are able to photosynthesize and form food. Plants have…
Q: WRITE ABOUT A THEME: INTERACTIONS In a short essay(100–150 words), summarize phytochrome’s role in…
A: Phytochromes are a class of photoreceptor in plants, which help to detect light. They are sensitive…
Q: Label A, B, C and D as the following: -Xylem -Cortex -Phloem -Pith
A: The above picture is histologic section of a monocot root.
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: Because secondary phloem is formed from the vascular cambium just as secondary xylem is, it too has…
A: The secondary phloem is formed from vascular cambium. As the sieve cell stop functioning and…
Q: This type of root is called...? Rhizome Tap Tuber Fibrous Storage
A: Anatomy is the branch of science that deals with the study of structure and parts of a body. Plant…
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: Describe how sugars are moved in phloem and explain why phloem fluid may move up or down the plant.
A: Phloem can be defined as the vascular tissue in charge of the transport and distribution of the…
Q: If the excised cotyledon with Indole-3-acetic acid (IAA) were incubated for a longer period, would…
A: The plant hormone Auxin is a central regulator of plant growth and development. The IAA, IBA and NAA…
Q: Why can xylem transport water and minerals using deadcells, whereas phloem requires living cells?
A: Xylem and phloem are vascular tissues of the plants. Xylem is composed of four parts: Tracheids,…
Q: Vernalization is a plant response to: Light Gravity Physical contact None of the above Plant…
A: Step 1 Vernalization cannot be carried out on dry seeds. An embryo or actively growing young plant…
Q: Contrast the function of xylem with that of phloem.
A: Answer- All the higher plants have vascular bundles that include xylem and phloem.
Q: ompare the energy needs of a plant for the movement of water in the xylem according to the…
A: Energy needs of a plant for the movement of water in the xylem according to the cohesion-tension…
Q: The formation of an air bubble in the xylem is called a. agitation. b. cohesion. c. adhesion.…
A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…
Q: Describe the way xylem’s function arises from its structure
A: Answer: Introduction: Angiosperms are having a root system and a shoot system. A shoot system…
Q: Submerged plants receive lesser illumination as compared to exposed floating plants in a lake. Give…
A: The plants that are dipped in water and receive the nutrients through their leaves, not from roots…
Q: The example of the plant in which vegetative propagation is occured by leaves is called 1. Cannabis…
A: The organisms of the plant kingdom reproduce and propagate through the methods of sexual…
Q: Consider the pressure flow model of phloem transport. How do sugars and water enter the phloem from…
A: Introduction: Xylem is responsible for the transport and storage of water-soluble nutrients in…
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: explain the process of the loading of sucrose into the phloem and its movement in the phloem
A: According to the pressure flow hypothesis , the translocation of the solutes is a passive process.…
Q: In angiosperms, the conduction of water is more efficient because their xylem has vessels. Give…
A: Angiosperms are the only vascular plants which have seeds with flowers and fruits. The angiosperms…
Q: Diagram below represents the loading of sucrose into the phloem at the 'source'. Explain the process…
A: The sugars like sucrose is a product of the photosynthesis which is stored in the mesophyll cells.…
Q: Xylem transport water from the soil to the leaves. True False
A: Plants are immobile higher eukaryotic organisms. Unlike animal cells, plant cells contain cell wall…
Q: In what conditions apoplastic transfer of phloem unloading will be necessary and why? *
A: Photoassimilates ( Mostly carbohydrates)are produced in source tissues and loaded into the phloem…
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: The clinging of xylem sap to the xylem walls to prevent the sap from moving downward is due to…
A: The clinging of xylem sap to the xylem walls to prevent the sap from moving downward is due to…
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: 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: Why is phloem transport considered an active process?
A: Plants are mainly multicellular plants that have ability to perform photosynthesis and belong to…
Q: Compare and contrast the tracheary elements of the xylem and explain the possinle advantages of one…
A: Introduction: A complex permanent tissue of the plant that transports water and minerals from the…
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: The Casparian strip allows the root to control what solutes enter the xylem. How does it do that?
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: The compound and write the word exactly as it appears in the Word Bank. is the most common C…
A: Phloem and Xylem are the two types of transport tissues that are present in vascular plants. Xylem…
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: Why a cut plant wilts fast even when the cut part is dipped in water?
A: Plants have specialized structures called roots that play an important role in the absorption of…
Q: Describe the structure of mature phloem tissue. What are the unique features? What kind of problems…
A:
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: What is the mechanism of plant transport through the xylem and the phloem
A: Meristem forms cells that quickly differentiate and form permanent tissue. These cells are…
Q: Woody trunk of living trees was said to shrink and expand at different times of the day. Explain…
A: Water movement through the plant system has been extensively studied. One of the theory is that of…
Q: In a cross-section of a tree, where are the oldest growth rings—in the outer region or nearer the…
A: The cross-section of a tree trunk shows the annual growth rings, the heartwood, the sapwood, the…
Q: For what purpose the vessels and tracheids in xylem tissue are interconnected?
A: Plants are the autotrophs and primary producers in the food chain. Plants leaves contain…
Q: Every winter, the cohesion of water molecules in xylem is interrupted by ice formation. What do…
A: The question is about how the xylem tissue in plants comes out from the problem of ice formation…
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- why is pressure higher in parts of the phloem Where sugar is being loaded than in parts were sugars been removed?In what conditions apoplastic transfer of phloem unloading will be necessary and why? *Describe the process of development of root nodules in leguminous plant. Name the oxygen scavenger molecule present in root nodules?
- Which type of phytochrome is biologically active and name the type of phytochrome present in dark grown plant? *Explain how phytochrome is afected by red wavelengths of light.Discuss other morphological differences between sunny and shady set-ups of mung bean in relation to phototropic response of plants. Characteristics sunny shaded Leaf color Lime Green Pale Green Direction of Growth Grows upward towards the direction of sunlight Oriented in the direction of the light but growth is bent downward
- Discuss the factors responsible for ascent of xylem sap in plants.Consider the pressure flow model of phloem transport. How do sugars and water enter the phloem from the source? How do sugars and water move from one phloem cell to another?If the xylem is under high tension, how will the flow rate in the xylem will be affected?
- Give an example of an environmental condition where stomates are unable to maintaincooling of the leaf and heat stress occurs. Explain the consequences of heat stress onphotosynthesis, membrane integrity and proteins.Which of the following biofertilizer extends the root system's reach, allowing for enhanced water and nutrient absorption? Explain.a. Bio-N (Corn) [Azospirillum lipoferum and Azospirillum brasilense] b. Trichoderma [Trichoderma sp.]c. Mykovam [vesicular arbuscular mycorrhiza]A) The concentration of CO2 is lower inside a plant cell than in the atmosphere (outside the cell). In your own words, describe how the CO2 levels are kept low inside the plant cell and explain why this is necessary. Assume stomata are open. B) Regarding the situation presented in Part A and assuming that the stomata of the plant leaves are closed, would this favour the induction of photorespiration in a C3 plant? Explain. Make reference to relevant molecule or molecules as needed. Please clearly label your responses as A and B