Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Which of the following would tend to DECREASE uptake of water by a plant root hair?
Increasing the of the root hair
Adding de-salinated water to the soil
• Increasing concentrations of solutes in the root hair
None of these would decrease uptake of water by a plant root hair
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- B) 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_forwardHow does Carbon dioxide enter the cells? Group answers ( more than 1 answer can be correct) •Diffusion across epidermis cells •Vascular bundle •Transport mesophyll •Small pores called stomataarrow_forwardMost plants grow in soil. They take in sunlight and carbon dioxide through their leaves and nutrients through the roots HYDROPONICS is a method of growing plants without sore plants are placed in water instead of sore even without saw they still growarrow_forward
- Water ascent up a plant is vital for maintaining proper physiological function of the leaves, (a) is root pressure or the cohesion-tension theory MORE important in supplying water to the leaf? (b) explain the difference in the driving force of water ascent between root pressure and cohesion tension.arrow_forwardPlease answer fastarrow_forwardFor the cells providing ….arrow_forward
- Ranunculus dicot root: Label the following on your drawing: Cortex cells, epidermal cells, phloem cells, and Xylem cells.arrow_forwardI. Phloem and Xylem. Identify the vessel type based on the characteristics provided. Characteristics Xylem or Phloem Contains living cells Substances transported upward from roots to shoots Transports sugar Cell partitions or end walls are absent Made of dead cells Carries molecules bidirectionally Transports water and minerals Can perform active transport of molecules End walls are perforated Has companion cellsarrow_forwardwhich of the follow ma does not represent olant adaptaticns to e duce water cost epidermal tric homes sunken thick d!C4 cr CAM phetosynthtlic e) all of the outgrowth calle d Stomatrs culicles pathways Odaptations to water a bcve vepresent reducearrow_forward
- if a plant were unable to produce root caps, what would be the effect on plant function?arrow_forwardThe ability of plants to grow tall and still transport water from their roots to their shoots is a result of evapotranspiration. Evapotranspiration is possible due to the of water molecules. O Cohesion Specific heat Density O Adhesionarrow_forwardPlease be very very fast Which of the following is NOT a function or characteristic of stems of plants? Question 1 options: transporting sugars and water between the roots and the leaves. Exhibiting a negative phototropism. Supporting leaves. Exhibiting a positive phototropism.arrow_forward
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