Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 6.4, Problem 4R
Summary Introduction
To review:
The similarities and differences between active transport and facilitated diffusion.
Introduction:
The transfer of molecules across a membrane takes place either by the process of active or passive transport. The passive transport includes two types of diffusion, namely simple and facilitated diffusion.
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What is the difference between passive diffusion and facilitated diffusion?
What do facilitated diffusion and active transport have in common? What are the differences between them?
What is the difference between simple and facilitated diffusion? Facilitated by which type of molecule does the term “facilitated” mean?
Chapter 6 Solutions
Life: The Science of Biology
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- what are the two types of facilitated diffusion and what is an example of each?arrow_forwardWhat are porins? What role do they play in diffusion?arrow_forwardhow are simple diffusion and facilitated diffusion similar? how are they different? how are facilitated diffusion and active transport similar? how are they different?arrow_forward
- What are the distinctions between facilitated difussion, primary active transport and secondary active transport?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_forwardWhat two properties must a substance typically have to be capable of simple diffusion across a cell membrane? If a substance does not have these properties, can it still cross a cell membrane? How?arrow_forward
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