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Which pathway depicts "Direct" Active Transport and which pathway depicts Passive Transport?

Which pathway depicts "Direct" Active Transport and which pathway depicts Passive Transport?

Human Anatomy & Physiology (11th Edition)
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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Which pathway depicts "Direct" Active Transport and which pathway depicts Passive Transport? 

The image is divided into two panels, A and B, illustrating different processes of solute transport across the cell membrane and their effects on cell function. **Panel A:** - **Location:** Outside the cell is labeled at the top, with a clear demarcation of the cell membrane. - **Solute (blue circles):** These are shown outside the cell moving towards the inside. - **Protein Carrier (blue):** Present within the cell membrane, it facilitates the transport of solute into the cell. - **Inside the Cell:** Once the solute is inside, it may lead to changes in cell response. **Panel B:** - **Location:** Similarly labeled outside the cell, with the cell membrane distinguishing the external environment. - **Solute (yellow hexagons):** These solutes outside the cell bind to pink protein carriers embedded in the cell membrane. - **Protein Carrier (pink):** It shows the binding and transport of solute into the cell. - **Inside the Cell:** The binding of solutes to protein carriers triggers changes in cell response. This is depicted with arrows leading towards the nucleus, indicating that the solute-protein carrier complexes may influence gene expression or other nuclear activities, symbolized by the presence of a DNA strand illustration. **Key Concepts:** - **Transport Mechanism:** Solutes are moved across the cell membrane via protein carriers. - **Cellular Response:** Interaction with the solute can alter the cell’s internal activities, potentially affecting gene expression. - **Illustration Elements:** The image uses color coding and directional arrows to demonstrate solute movement and cellular processes resulting from solute entry. This diagram effectively conveys the processes of cellular transport and signaling, essential for understanding how cells interact with their environment and regulate internal functions.
Transcribed Image Text:The image is divided into two panels, A and B, illustrating different processes of solute transport across the cell membrane and their effects on cell function. **Panel A:** - **Location:** Outside the cell is labeled at the top, with a clear demarcation of the cell membrane. - **Solute (blue circles):** These are shown outside the cell moving towards the inside. - **Protein Carrier (blue):** Present within the cell membrane, it facilitates the transport of solute into the cell. - **Inside the Cell:** Once the solute is inside, it may lead to changes in cell response. **Panel B:** - **Location:** Similarly labeled outside the cell, with the cell membrane distinguishing the external environment. - **Solute (yellow hexagons):** These solutes outside the cell bind to pink protein carriers embedded in the cell membrane. - **Protein Carrier (pink):** It shows the binding and transport of solute into the cell. - **Inside the Cell:** The binding of solutes to protein carriers triggers changes in cell response. This is depicted with arrows leading towards the nucleus, indicating that the solute-protein carrier complexes may influence gene expression or other nuclear activities, symbolized by the presence of a DNA strand illustration. **Key Concepts:** - **Transport Mechanism:** Solutes are moved across the cell membrane via protein carriers. - **Cellular Response:** Interaction with the solute can alter the cell’s internal activities, potentially affecting gene expression. - **Illustration Elements:** The image uses color coding and directional arrows to demonstrate solute movement and cellular processes resulting from solute entry. This diagram effectively conveys the processes of cellular transport and signaling, essential for understanding how cells interact with their environment and regulate internal functions.
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