Campbell Essential Biology Plus Mastering Biology with eText -- Access Card Package (6th Edition) (Simon et al., The Campbell Essential Biology Series)
6th Edition
ISBN: 9780133909708
Author: Eric J. Simon, Jean L. Dickey, Kelly A. Hogan, Jane B. Reece
Publisher: PEARSON
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Chapter 5, Problem 9SQ
Summary Introduction
To determine:
The primary difference between passive and active transport in terms of concentration gradient.
Introduction:
Cell membrane is one of the major components of the cell. The membrane consists of bilayer of phospholipids with embedded proteins. The major function of these proteins is to provide pathway to the ions and smaller molecules to cross the phospholipid layer of cell which is impermeable.
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What is the primary difference between passive and active transport in terms of concentration gradients?
What is the relationship between concentration gradient and active and passive transport?
What is the importance of the concentration gradient in passive transport?
Chapter 5 Solutions
Campbell Essential Biology Plus Mastering Biology with eText -- Access Card Package (6th Edition) (Simon et al., The Campbell Essential Biology Series)
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- Which of the following methods of transport is being used to transfer the substance into the cell in the accompanying graph? a. diffusion down a concentration gradient b. osmosis c. facilitated diffusion d. active transport e. vesicular transport f. It is impossible to tell with the information provided.arrow_forwardList the means of unassisted membrane transport.arrow_forwardWhat are the distinctions between facilitated difussion, primary active transport and secondary active transport?arrow_forward
- Without saturation of transport proteins and under the same concentration gradient how can the speed of simple diffusion be compared to the speed of facilitated diffusion?arrow_forwardAre symporters and antiporters always involved in active transport? Can't both solutes move in the same direction and be moving down their concentration gradient (and the same with antiporters)?arrow_forwardWhat are the differences between passive and active transport?arrow_forward
- What is the Direction of net flux Through Facilitated Diffusion?arrow_forwardIn what direction is there a net movement of particles along their concentration gradient? Would your answers be different for facilitated diffusion compared with simple diffusion?arrow_forwardIn terms of rate of transport of a molecule across a membrane , what is the difference between passive and active transport?arrow_forward
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