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Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
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Chapter 5, Problem 4MC
Summary Introduction
Introduction:
The process in which molecules move from “high concentration area to the lower concentration area” is called diffusion. The higher the concentration gradient, diffusion occurs more rapidly. High temperature also increases the rate of diffusion.
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The rate of diffusion increases if thea. concentration gradient decreases.b. temperature of a solution decreases.c. viscosity of a solution decreases.d. All of these are correct.
Diffusiona. is always facilitated.b. occurs by active transport.c. is increased when temperature increases.d. requires aquaporin proteins.
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Chapter 5 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 5.1 - Vicious Venoms Some of the most devastating...Ch. 5.1 - Prob. 1TCCh. 5.1 - Prob. 2CSCCh. 5.1 - Prob. 1CYLCh. 5.1 - diagram and describe the fluid mosaic model of...Ch. 5.1 - Prob. 3CYLCh. 5.2 - Prob. 1CYLCh. 5.2 - Prob. 2CYLCh. 5.3 - What is likely to have happened If, instead of...Ch. 5.3 - Prob. 1HYEW
Ch. 5.3 - Prob. 2TCCh. 5.3 - If a plant cell is placed in water containing no...Ch. 5.3 - Would a cell over use active transport to move...Ch. 5.3 - Prob. 5TCCh. 5.3 - Prob. 1CYLCh. 5.3 - Prob. 2CYLCh. 5.3 - Prob. 3CYLCh. 5.3 - Prob. 6TCCh. 5 - Animal cells are surrounded by________ fluid is...Ch. 5 - Which of the following cannot enter a cell by...Ch. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Prob. 5MCCh. 5 - Prob. 1FIBCh. 5 - A membrane that is permeable to some substances...Ch. 5 - Prob. 3FIBCh. 5 - After each molecule, place the two-word term that...Ch. 5 - Prob. 5FIBCh. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - What are the five categories of proteins commonly...Ch. 5 - Prob. 4RQCh. 5 - Define hypotonic, hypertonic, and isotonic. What...Ch. 5 - Describe the following types of transport...Ch. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 1ACCh. 5 - Predict and sketch the configuration that ten...
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- Which of these statements about carrier-mediated facilitated diffusion is true? a. It uses cellular ATP. b. It is used for cellular uptake of blood glucose. c. It is a form of active transport. d. None of these are true.arrow_forwardActive transport is different from passive transport because a. no additional energy is required. b. molecules move from low concentration to high concentration. c. ions are involved. d. proteins are involved. e. water is moved across the membrane.arrow_forwardThe greater the magnitude of the concentration gradient: a. the more rapid the rate of diffusion. b. the more likely mediated transport is required. c. the easier it is to reverse the flux. d. the higher number of ATPs required to diffuse. e. all of the above is true.arrow_forward
- Facilitated transport differs from diffusion in that facilitated diffusiona. involves the passive use of a carrier protein.b. involves the active use of a carrier protein.c. moves a molecule from a low to a high concentration.d. involves the use of ATP molecules.arrow_forwardWhich of the following is incorrect regarding facilitated diffusion?a. It is a passive process.b. It allows the movement of molecules from areas of lowconcentration to areas of high concentration.c. It may use either channel or carrier proteins.d. It allows the rapid transport of glucose across the membrane.arrow_forwardWhich of the following statements about active processes of membrane transport is true? a. cellular energy is required b. substances move against its concentration gradient c. all requires the aid of proteins during transport d. a and b e. a, b, and carrow_forward
- Proteins like albumin in the blood maintain water inside the blood vessels using A. Osmotic pressure B. Active diffusion C. Active transport D. Diffusionarrow_forwardThe main force driving movement in diffusion across membranes is due to A. concentration gradients B. Size of the molecules C. Membrane surface area D. Temperature Questionarrow_forwardDuring passive transport, substances will move across a selectively permeable membrane until… explain why A. There is no longer any energy to be used B. All solutes reach the other side of the membrane C. There is no more room inside of the cell D. Equilibrium is reachedarrow_forward
- Explain the process and give an example of each form of cellular transport. a. Passive Diffusion b. Active Transport c. Facilitated Diffusionarrow_forwardActive transport must function continuously because. a. plasma membranes wear out b. not all membranes are amphiphilic c. facilitated transport opposes active transport d. diffusion is constantly moving solutes in opposite directionsarrow_forwardConcerning the process of diffusion, at equilibriuma. the net movement of solutes stops.b. random molecular motion continues.c. there is an equal movement of solute in opposite directions.d. the concentration of solute is equal throughout the solution.e. All of these are correctarrow_forward
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