What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 4, Problem 9SA
Summary Introduction
To analyze:
Why energy is required for active transport.
Introduction:
Active transport involves the movement of molecules against a concentration gradient.
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Why is ATP required for active transport?
Does active transport move high to low concentration?
What is the difference between active transport and passive transport?
Chapter 4 Solutions
What Is Life? A Guide to Biology with Physiology
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- Which feature is typical of primary active transport? The transport protein must cross to the correct side of the membrane before the solute can bind to it. The transport protein is irreversibly phosphorylated as transport takes place. The transport protein catalyzes the conversion of ADP to ATP. The solute moves against the concentration gradient. A concentration gradient provides the energy to move substances against their concentration gradient.arrow_forwardDescribe a form of passive and a form of active transport.arrow_forwardWhat are the distinctions between facilitated difussion, primary active transport and secondary active transport?arrow_forward
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