When a person becomes dehydrated the amount of water in extracellular fluids such as blood decreases, causing the solute concentration of these fluids to increase. State weather osmosis results in water entering or leaving cells.

When a person becomes dehydrated the amount of water in extracellular fluids such as blood decreases, causing the solute concentration of these fluids to increase. State weather osmosis results in water entering or leaving cells.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter5: Ground Rules Of Metabolism

Section: Chapter Questions

Problem 11SA: Solutes tend to diffuse from a region where they are _______ more/less concentrated to an adjacent...

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Solutes tend to diffuse from a region where they are _______ more/less concentrated to an adjacent region where they are ________ more/less concentrated.
When a person becomes dehydrated, the amount of water in extracellular fluids such as blood decreases, causing the solute concentration of these fluids to increase. State whether osmosis results in water entering or leaving cells.
Severe vomiting and diarrhea cause a loss of water and solutes from extracellular fluids. If the person was given only water, what effect would this have on the solute concentration of the extracellular fluids? Would osmosis results in water entering or leaving cells?
Which is the proper order of permeability the following solutes would show when it moves across a semi-permeable membrane? (from most permeable to least permeable) benzene, imidazole group of histidine, galactose, potassium ions galactose, potassium ions, imidazole group of histidine, benzene benzene, potassium ions, imidazole group of histidine, galactose potassium ions, galactose, benzene, imidazole group of histidine
Osmosis is a type of active transport, but specifically for water. True False
If a person was severely dehydrated and the osmolarity of their blood and tissue fluids was at 500 mOsm/L while their intracellular osmolarity was 300 mOsm/L; explain what would happen via osmosis.
True or false the cell membrane equalizes osmosis pressure to protect cell.
In an investigation of osmosis, apple cores were submerged in different molarity solutions to determine the unknown osmolarity of the apple. To determine the molarity five uniform apple cores were massed before submerging them in different molarity solutions. After 24 hours the apple cores were massed again. Then the percent change in mass was determined for the five uniform apple cores in each molarity solution. Molarity of Solution Average % Change of Mass of Apple Cores 0.0 M 21.5 0.2 M 8.0 0.4 M -7.4 0.6 M -19.2 0.8 M -22.7 1.0 M -36.3 (b) Identify the osmolarity of the apple. (c) Describe the environmental conditions taking place in each of the six solutions with the apples.
When two chambers are separated by a membrane permeable to water but not solute, if water is free to move in either direction without limitation or pressure, then water will move until the concentration of solute on both sides of the chamber is equal move until there is no water on the dilute side move until there is no water on the concentrated side move until the concentration of water on both sides of the chamber is equal
One of the symptoms of diabetes mellitus (sugar diabetes ) is extreme thirst . What brings about this feeling of thirst? Explain in terms of osmosis.
difference between channels and transporters is that O Only channels allow for the passage of solutes against their electrochemical gradient. OTransporters allow for a greater rate of transport across a membrane than channels do. O Only channels allow for the transport of ions. Transporters must undergo a conformational change upon binding to the solute.
This is for osmosis in animal cells.