When considering the loading and unloading of photosynthate from the phloem, which of the following is FALSE?

Q: Several experiments have been performed to test the cohesion-tension theory as to how water moves…

A:

Q: C) If you have a sieve tube member next to a vessel element, and ...the solution in the sieve tube…

A: The direction and rate of osmosis depend upon the sum of two forces, pressure gradient (gradient of…

Q: The water potential in the leaves is -30 MPa and -20 MPa in the xylem, the water moves to the _ and…

A: Water potential is the difference between the potential in a given water sample and pure water. The…

Q: Flowering plants have both tracheids and vessel elements in their xylem. Conifers, which evolved…

A: Xylem tissues are the conducting vessels specialized for transportation of water and food in the…

Q: Which type of the following play a role in the gravitropic response of plants according to the…

A: Statoliths hypothesis Gravity perception is best explained by the starch–statolith hypothesis that…

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: How is a C4, C3 and CAM plant different in terms of 1. area/region of growth 2. leaf…

A: c4 plants are native to the tropics and warm temperate zones with high light intensity and high…

Q: a prediction for the pH levels in the plant if it closes its stomata for an extended period of time.…

A: To predict the pH levels in the plant if it closes its stomata for an extended period of time

Q: Given the meristem, vascular tissue, and cortex in plants, which one best needs respiration and…

A: Plants undergo aerobic respiration in mitochondria present in the cells. Exchange of gases occurs…

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 xylem cell has a water potential of -45 MPa and the mesophyll cell of the leaf has a water…

A: Plants absorb water from soil by roots and the water is transported via various layers of cell until…

Q: What is plant transpiration? What are the two main types of plant transpiration process? Which of…

A: Answer: Introduction: The water ultimately is evaporated to the air by the plant's stomata which is…

Q: How do air bubbles form in the xylem and how are they eliminated to have a smooth transport of water…

A: The vessel components are a type of xylem tissue that aids in the transport of water and minerals…

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: Translocation mainly involves the movement of products from the leaves where they are synthesized,…

A: Xylem and phloem are two complex tissue found in plants. These tissues are made up of one or more…

Q: ct one: a. In apoplastic loading, the solute potential of the companion cells is more negative than…

A: Phloem loading is the process of loading carbon into the phloem for transport to different 'sinks'…

Q: Describe the relationship between transpiration rate and light intensity in basil Ocimum basilicum…

A: Answer:  Ocimum basilicum = These are the basil leaves , also acts as herbs. Medically important…

Q: A) The concentration of CO2 is lower inside a plant cell than in the atmosphere (outside the cell).…

A: Stomata are cells present in the plant. They are a prerequisite for the exchange of gases. Stomata…

Q: Discuss other morphological differences between sunny and shady set- ups of mung bean in relation to…

A: Characteristics sunny  shsde Hypocotyl reduced elongated  Flowers enhanced flowers growth…

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: Stems and roots, respectively, exhibit a. a positive phototropic response and no phototropic…

A: Answer is a.) a positive phototropic response , No phototropic response.

Q: Which of the following is NOT a function or characteristic of most leaves?   Question 2 options:…

A: Leaves provide a photosynthetic area to the shoot. It contains a lot of green pigment known as…

Q: Briefly explain the transpiration-cohesion-tension mechanism in plant

A: The theory of cohesion tension and transpiration pull was put forth by Dixon and Joly. It was…

Q: Under what environmental conditions does photorespiration “outcompete" that of the CC? Specifically,…

A: In photorespiration, loss of  CO2 takes place in mitochondria only. In the presence of O2, RuBP…

Q: Do plants require to adjust the solute types that arrive at the xylem? Name the molecules that…

A: Introduction In this problem we have given three subparts.Each is related to transportation so we…

Q: he movement of water out of phloem sap and back into xylem vessels is often associated with which of…

A: C. Active transport of sugar out of phloem sap into the sink.

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: Water ascent up a plant is vital for maintaining proper physiological function of the leaves, (a) is…

A: The ascent of sap in the xylem tissue of plants is the upward movement of water and minerals from…

Q: morphological differences between sunny and shady setups of mung beans in relation to phototropic…

A: Bean's utilize sunlight for making food in the form of starch and sugar, which is transported to…

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

A:

Q: Consider a soil with the following properties: The water content at the permanent wilting point is…

A: So (a) water content at saturation = 38%Hence field capacity of soil = 387.Because field-capacity is…

Q: In a set-up where Plant 1 and Plant 2 are exposed to light, Plant 1 had a transpiration rate of 1.24…

A: Plants exhibit adaptations to their environmental conditions.

Q: Stomata and lenticels are both involved in exchange ofCO2 and O2. Why do stomata need to be able to…

A: The stomata are openings in the epidermis of the leaf that allow exchange of gases. These are also…

Q: High transpiration rates imply bulk flow of water through the xylem which would also be necessary to…

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

Q: Free-Air Carbon dioxide (CO2) Enrichment (FACE) experiments have revealed (some) plant responses to…

A: In our planet the ultimate source of energy is sun. This  Photon energy of sun is assimilated or…

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: Choose all the correct statements for the graph above:  A.in a mutant plant that makes TWICE the…

A: Introduction:- When both temperature and pressure are held constant, water potential is the…

Q: Salinity or salt stress induces the following plant responses except: * A. Induction of…

A: There are several ATP ases such as H+ ATPaes, Ca2+ ATP asses, which gets activated during salt…

Q: The production of urine in the human kidney is different from transport in vascular plants. However,…

A: ANSWER) (A) The movement of water and mineral solutes via xylem. The production of urine in the…

Q: Which of the following is not a typical plant response to oxygen deficit due to flooding? * A.…

A: Introduction Plants Adapt To Their Ever-changing Environment In A Variety Of Ways, Resulting In A…

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: Plants obtain water and nutrients from the soil. a.    What structure in a plant uses water in a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: For a given stomatal conductance, how will an increase in atmospheric concentrations of CO2 possibly…

A: Answer

Q: Phytochrome, plays an important role in flowering in many plants.  It can also be used to determine…

A: Answer :-  Option (C) is correct. - Most germinate.

Q: What are potential outcomes when a plant's stomata close in response to heat and water stress?…

A: Plants are the living organisms which synthesize their own food by photosynthesis. In photosynthesis…

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…

Q: Which of the following statements is are TRUE? Ca pathway involves a single C02 fixation step. In…

A: CAM pathway is cruassulacean Acid metabolism which is an adaptation by plants that survive arid…

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.