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26. Liver cell makes some enzymes with the endomembrane system and transports the manufactured protein out of the cell in a transport vesicle, would this involve the use of ATP? and name the transport system.

26. Liver cell makes some enzymes with the endomembrane system and transports the manufactured protein out of the cell in a transport vesicle, would this involve the use of ATP? and name the transport system.

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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Question 26

### Understanding Osmosis and Cellular Transport Mechanisms 1. **Solutions and Osmosis:** - **Solution A** is corn syrup, and **Solution B** is tap water. - **Hypertonic Solution:** Solution A is hypertonic. - **Hypotonic Solution:** Solution B is hypotonic. - When a red blood cell is placed in salt water, it moves water out of the cell. Salt water is hypertonic compared to the cell, causing water to move from a hypotonic solution (inside the cell) to a hypertonic solution (outside). 2. **Key Concept:** - Water moves from a hypotonic to a hypertonic solution via osmosis. 3. **Sodium-Potassium Pump:** - Moves 3 sodium ions out and 2 potassium ions into the cell against the concentration gradient. - **Energy Use:** Yes, in the form of ATP. - **Transport Type:** Active transport using a membrane protein (Na⁺-K⁺ pump). - **Energy Molecule:** ATP is used in this kind of transport. 4. **Immune Cell Engulfment:** - Involves phagocytosis, a type of endocytosis where cells ingest molecules, requiring ATP to kill bacteria. 5. **Liver Cell Transport:** - When a liver cell makes enzymes and transports proteins out of the cell in a vesicle, ATP is used. This process is an example of active transport within the endomembrane system. 6. **Energy in Cellular Functions:** - Breaking the bond between phosphate groups in ATP releases energy used in various biological functions. ### Additional Notes: - Active transport processes such as the sodium-potassium pump and phagocytosis require energy in the form of ATP. - **pH Levels:** Slightly basic conditions can affect enzyme efficiency and transport mechanisms.
Transcribed Image Text:### Understanding Osmosis and Cellular Transport Mechanisms 1. **Solutions and Osmosis:** - **Solution A** is corn syrup, and **Solution B** is tap water. - **Hypertonic Solution:** Solution A is hypertonic. - **Hypotonic Solution:** Solution B is hypotonic. - When a red blood cell is placed in salt water, it moves water out of the cell. Salt water is hypertonic compared to the cell, causing water to move from a hypotonic solution (inside the cell) to a hypertonic solution (outside). 2. **Key Concept:** - Water moves from a hypotonic to a hypertonic solution via osmosis. 3. **Sodium-Potassium Pump:** - Moves 3 sodium ions out and 2 potassium ions into the cell against the concentration gradient. - **Energy Use:** Yes, in the form of ATP. - **Transport Type:** Active transport using a membrane protein (Na⁺-K⁺ pump). - **Energy Molecule:** ATP is used in this kind of transport. 4. **Immune Cell Engulfment:** - Involves phagocytosis, a type of endocytosis where cells ingest molecules, requiring ATP to kill bacteria. 5. **Liver Cell Transport:** - When a liver cell makes enzymes and transports proteins out of the cell in a vesicle, ATP is used. This process is an example of active transport within the endomembrane system. 6. **Energy in Cellular Functions:** - Breaking the bond between phosphate groups in ATP releases energy used in various biological functions. ### Additional Notes: - Active transport processes such as the sodium-potassium pump and phagocytosis require energy in the form of ATP. - **pH Levels:** Slightly basic conditions can affect enzyme efficiency and transport mechanisms.
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