Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 12RQ
Water moves via osmosis _______.
a. throughout the cytoplasm
b. from an area with a high concentration of other solutes to a lower one
c. from an area with a low concentration of solutes to an area with a higher one
d. from an area with a low concentration of water to one of higher concentration
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A plasma membrane_____ . a. controls exchanges between the cell and the external environment b. is a mesh of intermediate filaments c. is a type of extracellular matrix
A solute passively diffuses through a transport protein out of the cell, therefore, ____.
a.
the concentration of water is higher inside the cell than outside
b.
the concentration of water is lower inside the cell than outside
c.
the concentration of the solute is the same inside and outside the cell
d.
the concentration of the solute is lower inside the cell than outside
e.
the concentration of the solute is higher inside the cell than outside
Osmosis is a special type of diffusion that ________.
a.
moves water from an area with a high solute concentration to one of lower solute concentration
b.
moves sugar from an area with a high solute concentration to a lower solute concentration
c.
moves water from an area with a low solute concentration to one of higher solute concentration
Chapter 3 Solutions
Concepts of Biology
Ch. 3 - Figure 3.7 What structures does a plant cell have...Ch. 3 - Figure 3.13 Why does the cis face of the Golgi not...Ch. 3 - Figure 3.22 A doctor injects a patient with what...Ch. 3 - When viewing a specimen through a light...Ch. 3 - The ____________ is the basic unit of life. a....Ch. 3 - Which of these do all prokaryotes and eukaryotes...Ch. 3 - A typical prokaryotic cell ________ compared to a...Ch. 3 - Which of the following is found both in eukaryotic...Ch. 3 - Which of the following is not a component of the...Ch. 3 - Which plasma membrane component can be either...
Ch. 3 - The tails of the phospholipids of the plasma...Ch. 3 - Water moves via osmosis _______. a. throughout the...Ch. 3 - The principal force driving movement in diffusion...Ch. 3 - Active transport must function continuously...Ch. 3 - What are the advantages and disadvantages of...Ch. 3 - Describe the structures that are characteristic of...Ch. 3 - In the context of cell biology, what do we mean by...Ch. 3 - Why is it advantageous for the cell membrane to be...Ch. 3 - Why does osmosis occur?Ch. 3 - Where does the cell get energy for active...
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- Which of the following describes how osmosis occurs across a cell membrane/ A. Solutes move from an area of high water concentration to an area of low water concentration. B. Water moves from an area of low solute concentration to an area of high solute concentration. C. Both water and solutes move across the cell membrane from an area of high concentration to an area of low concentration. D. Solutes move from an area of low solute concentration to an area of high solute concentration. E. Water moves from an area of high solute concentration to an area of low solute concentration.arrow_forwardAmericans spend up to $100 billion annually for bottled water (41 billion gallons). The only beverages with higher sales are carbonated soft drinks. Recent news stories have highlighted the fact that most bottled water comes from municipal water supplies (the same source as your tap water), although it may undergo an extra purification step called reverse osmosis.Imagine two tanks that are separated by a membrane that's permeable to water, but not to the dissolved minerals present in the water. Tank A contains tap water and Tank B contains the purified water. Under normal conditions, the purified water would cross the membrane to dilute the more concentrated tap water solution. In the reverse osmosis process, pressure is applied to the tap water tank to force the water molecules across the membrane into the pure water tank.If you shut the system off and pressure was no longer applied to Tank A, you would expect (a) the water movement to follow the concentration gradient. (b) the water…arrow_forwardOsmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement? A. Exact concentration of solution is not given B. Character of semi permeable membrane is not given C. The flow of solution is not possible through semi permeable membrane D. All are incorrectarrow_forward
- When a cell is placed in a hypertonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water exits the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.arrow_forwardAmericans spend up to $100 billion annually for bottled water (41 billion gallons). The only beverages with higher sales are carbonated soft drinks. Recent news stories have highlighted the fact that most bottled water comes from municipal water supplies (the same source as your tap water), although it may undergo an extra purification step called reverse osmosis.Imagine two tanks that are separated by a membrane that's permeable to water, but not to the dissolved minerals present in the water. Tank A contains tap water and Tank B contains the purified water. Under normal conditions, the purified water would cross the membrane to dilute the more concentrated tap water solution. In the reverse osmosis process, pressure is applied to the tap water tank to force the water molecules across the membrane into the pure water tank.After the reverse osmosis system has been operating for 30 minutes, the solution in Tank A would (a) be hypotonic to Tank B (b) be isotonic to Tank B. (c) be…arrow_forwardIn osmosis, water moves from an area of low solute concentration (high water concentration) to an area of high solute concentration (low water concentration). So, it's the movement of water that helps balance the concentration of solutes on both sides of a semipermeable membrane. My question is when water move from high concentration to low concentration ,it's the movement of water making it balance. So why does it says in definition low solutue concentration going to that high solutue concentration, isn't it make the solute like ion and other molecules going to the higher side and not making it balance. High concentration of water to low concentration water movement is make sense to me But low solute cocentration to high solute concentration part does not make sense at all Please explain how does low concerned ntration solute going to high concentration of solute making balance?arrow_forward
- Osmosis is water movement across a semipermeable membrane. Which of the following is true about water movement across cell membranes? A. In a hypotonic solution, cells will swell. B. In an isotonic solution, cells will shrink. C. In a hypertonic solution, cells will stay the same. D. Cells can neither shrink nor swell because water cannot penetrate the plasma membrane.arrow_forwardMovement of cell against concentration gradient is called: A. osmosis B. active transport C. diffusion D. passive transportarrow_forwardSuppose one of your cells has a solute concentration of 10%. If we put it in a glass of sugar water that has a 15% solute concentration, what will happen to the cell as a result of osmosis? A. water will move into the cell B. nothing C. its volume will fluctuate up and down D. water will leave the cell E. sugar will move into the cellarrow_forward
- which of the following statements is correct about the movement of water across a plasma membrane a. it cannot pass through any ion channels b. it moves through the membrane via mediated transport c. even though it a polar molecule, it moves readily through the nonpolar lipid bilayer d. artificial lipid membranes are impermeable to waterarrow_forwardWhen a cell is placed in a hypotonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water enters the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.arrow_forwardThe process you observed of the egg becoming smaller or larger in the different solutions was due to osmosis. Which of the following is true about osmosis? Select one or more: a. Osmosis is a form of active transport, in which water moves from a solution of low solute concentration to a solution of higher solute concentration b. Osmosis is a form of passive transport, in which water moves only when the concentration of solutes is equal in each solution c. Osmosis is a form of passive transport, in which water moves from a solution of low solute concentration to a solution of higher solute concentration d. Osmosis is a form of active transport, in which water moves from a solution of high solute concentration to a solution of lower solute concentration e. Osmosis is a form of passive transport, in which water moves from a solution of high solute concentration to a solution of lower solute concentrationarrow_forward
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