Practice by drawing in circled numbers in the images below to match the steps I have summarized below. Glucose) Cluco (Na+) low Ha ATP 1. Three Nations inside the cell move OUT of the cell, across the Na*K* pump, from a low to a high concentration (AGAINST their concentration gradient). This requires the energy of ATP. This sets up the concentration gradient needed in the next step (the next step requires a low Nat ion concentration INSIDE the cell) 2. Na+ ions in the interstitial fluid = extracellular fluid (fluid surrounding the cell) move INTO the cell, across a co-transport protein. The ions move from a high to a low concentration (DOWN their concentration gradient). This RELEASES energy. This energy is used in the next step. 3. Glucose in the interstitial fluid moves INTO the cell, across a co-transport protein, from a low to a high concentration (AGAINST their concentration gradient). This requires energy. The energy used is the energy released in step #2.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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23.Summarize the steps that occur to set up secondary transport (co-transport) and
during co-transport.
Practice by drawing in circled numbers in the images below to match the steps I have
summarized below.
[Gluc
[Na] low Na
high Na
ATP
1. Three Na' ions inside the cell move OUT of the cell,
across the Na*K* pump, from a low to a high
concentration (AGAINST their concentration gradient).
This requires the energy of ATP.
This sets up the concentration gradient needed in the
next step (the next step requires a low Nation
concentration INSIDE the cell)
2. Nations in the interstitial fluid = extracellular fluid
(fluid surrounding the cell) move INTO the cell, across
a co-transport protein. The ions move from a high to
a low concentration (DOWN their concentration
gradient).
This RELEASES energy. This energy is used in the
next step.
3. Glucose in the interstitial fluid moves INTO the cell,
across a co-transport protein, from a low to a high
concentration (AGAINST their concentration gradient).
This requires energy. The energy used is the energy
released in step #2.
Transcribed Image Text:23.Summarize the steps that occur to set up secondary transport (co-transport) and during co-transport. Practice by drawing in circled numbers in the images below to match the steps I have summarized below. [Gluc [Na] low Na high Na ATP 1. Three Na' ions inside the cell move OUT of the cell, across the Na*K* pump, from a low to a high concentration (AGAINST their concentration gradient). This requires the energy of ATP. This sets up the concentration gradient needed in the next step (the next step requires a low Nation concentration INSIDE the cell) 2. Nations in the interstitial fluid = extracellular fluid (fluid surrounding the cell) move INTO the cell, across a co-transport protein. The ions move from a high to a low concentration (DOWN their concentration gradient). This RELEASES energy. This energy is used in the next step. 3. Glucose in the interstitial fluid moves INTO the cell, across a co-transport protein, from a low to a high concentration (AGAINST their concentration gradient). This requires energy. The energy used is the energy released in step #2.
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