Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 6, Problem 5PL
Which of the following does not influence the rate of diffusion?
- concentration gradient
- size of petri dish
- molecular size
- temperature
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Which of the following statements is TRUE of diffusion?
Diffusion of particles along the concentration gradient will occur until particles are equally distributed in all areas of the solution.
Diffusion of particles along the concentration gradient will occur until the particles move fully from one side of the solution to the other.
Diffusion of particles against the concentration gradient will occur until random motion occurs.
Diffusion of particles against the concentration gradient will occur until all the particles have dissolved.
Carl is examining an onion root tip cell under a microscope. Based on his observations, Carl proposes that the onion root tip cell has completed interphase and is now in the first phase of mitosis.
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There is a lower concentration of solute outside the cell than inside the cell
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O Through osmosis, water will enter the cell causing it to swell
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ATP is required to pump molecules against the concentration gradient
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Transport of large quantities of materials
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Which of the following does not characterize the different factors that affects the rate of diffusion?
Mass of molecules diffusing
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Chapter 6 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 6 - Which of the following membrane movements is not a...Ch. 6 - Osmosis is a membrane passage process pertaining...Ch. 6 - Which of the following represents an isotonic...Ch. 6 - Filtration requires ___________ for movements...Ch. 6 - Which of the following does not influence the rate...Ch. 6 - Dialysis tubing serves as a _________ for the...Ch. 6 - Passive membrane passage requires ATP. True...Ch. 6 - A cell will not swell or shrink when placed in an...Ch. 6 - Using a tea bag placed in hot water, explain due...Ch. 6 - By answering yes or no, indicate which of the...
Ch. 6 - By answering yes or no, which of the following...Ch. 6 - By answering yes or no, which of the following...Ch. 6 - Using what you know about the process of osmosis,...Ch. 6 - Prob. 2.1CTCh. 6 - Prob. 2.2CTCh. 6 - By answering yes or no, indicate which of the...Ch. 6 - Observe the RBCs shown in figure 6.6. Select the...Ch. 6 - Prob. 3.1CTCh. 6 - Prob. 4.2ACh. 6 - What force was responsible for the movement of...Ch. 6 - What substances did not pass through the filter...Ch. 6 - Prob. 4.5ACh. 6 - During exercise, skeletal muscles increase their...Ch. 6 - By answering yes or no, which of the following...Ch. 6 - By answering yes or no, which of the following...Ch. 6 - Prob. 4.3CT
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- Which of the following involves movement from an area of high concentration to an area of lower concentration simple diffusion facilitated passive transport both simple diffussion and facilitated passive transport active transportarrow_forwardWhich of the following factors will negatively impact the rate of diffusion of a molecule? A media that is highly viscous A short distance between two concentrations of the molecule A low difference in the concentration of the molecule across the media A warm environmentarrow_forwardWhich of the following are features of facilitated diffusion? There may be more than one correct answer, select all that apply. Requires energy Movement assisted by proteins Can include passive diffusion Depends on ATP hydrolysis Can include ion transport down its concentration gradient in a cell (high to low concentration)arrow_forward
- Which of the following factors influences the rate at which diffusion takes place? Size of particles Temperature The steepness of the concentration gradient All of the abovearrow_forwardDiffusion and osmosis classification Classify the following characteristics based on whether they are describing diffusion, osmosis, or both. Diffusion Results in an Can occur with equal distribution of solute molecules or without a membrane Always involves the movement of water Requires a semi-permeable membrane Osmosis Involves the movement of gases, ions, and small water soluble molecules Passive form of movement that requires no energy Moves from areas of high concentration to low Both Diffusion and Osmosis Responsible for gas exchange in the lungs concentration A 3 of 15 Next > Cation to open the document "Epicinstaller-13.0.0-fortnite-a8e4f12cada646caa706d8be407be69f (3).msi". tv 22arrow_forwardIn reference to diffusion, the solutes will move through the membrane towards The side with greater amount of water The side with least amount of water The side with greater amount of solutes The side with least amount of solutesarrow_forward
- Which of the following statements about diffusion is correct? It is an active process in which molecules move from a region of lower concentration to one of higher concentration. It is very rapid over long distances. It requires an expenditure of energy by the cell. It is a passive process in which molecules move from a region of lower concentration to a region of higher concentration. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.arrow_forwardA cell is placed in a hypertonic medium triggering its regulatory volume control mechanism. Which of the following statements best describes the main ion movement responsible for the regulatory volume control in this situation? Efflux of K+ from the cytosol. Efflux of Na+ from the cytosol. Influx of Na+ into the cytosol. Influx of K+ into the cytosol.arrow_forwardWhich of the following processes could result in the net movement of a substance into a cell, if the substance is more concentrated in the cell than in the surroundings? diffusion active transport osmosis facilitated diffusionarrow_forward
- Which of the following affects the permeability constant of a molecule in diffusion? the molecular weight of the diffusing molecule the characteristics of the membrane through which the molecule must diffuse the temperature of the system the size of the molecule all of the abovearrow_forwardWhen 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 equalarrow_forwardWhich of the following is an example of active transport? Simple diffusion Protein pumps Facilitated diffusion All of the abovearrow_forward
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