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Molecular Transport Across Membranes Workshop How does the cell membrane control movement of materials? The cellular membrane is critical to the maintenance of homeostasis in living organisms. The cell membrane separates the cell from the external environment and plays a critical role in regulating movement of material in and out of the cell. Additionally, eukaryotic cells are made complex by the presence of internal membranes that form organelles, so the cells may become specialized. These organelle membranes create compartments within the cell that can do specific functions. For this exercise, you will work in groups of four to progress through the activities. At the end of each activity, one group (chosen at random) will share how they responded and open the floor for further discussion. Model 1 – Types of Ions and Molecules in a Cell Туре 1 lons Туре 2 Molecules Туре 3 Molecules Type 4 Molecules Glucose: Water: Molecular oxygen (O,): Potassium: K* OH H 0=0 CD Sodium: Na* O. H Urea: Carbon dioxide (CO,): Calcium: Ca²+ OH H 0=c=0 OH OH Chloride: CI¯ e H OH H2N `NH2 polar nonpolar small large Consider the ions and molecules in Model 1. 1. Pick two substances from the table above that would need to move into or out of a cell to maintain homeostasis and explain why. 2. Complete the lower portion of the table above by labeling the types of substances as charged, polar, or nonpolar, and large or small.

Molecular Transport Across Membranes Workshop How does the cell membrane control movement of materials? The cellular membrane is critical to the maintenance of homeostasis in living organisms. The cell membrane separates the cell from the external environment and plays a critical role in regulating movement of material in and out of the cell. Additionally, eukaryotic cells are made complex by the presence of internal membranes that form organelles, so the cells may become specialized. These organelle membranes create compartments within the cell that can do specific functions. For this exercise, you will work in groups of four to progress through the activities. At the end of each activity, one group (chosen at random) will share how they responded and open the floor for further discussion. Model 1 – Types of Ions and Molecules in a Cell Туре 1 lons Туре 2 Molecules Туре 3 Molecules Type 4 Molecules Glucose: Water: Molecular oxygen (O,): Potassium: K* OH H 0=0 CD Sodium: Na* O. H Urea: Carbon dioxide (CO,): Calcium: Ca²+ OH H 0=c=0 OH OH Chloride: CI¯ e H OH H2N `NH2 polar nonpolar small large Consider the ions and molecules in Model 1. 1. Pick two substances from the table above that would need to move into or out of a cell to maintain homeostasis and explain why. 2. Complete the lower portion of the table above by labeling the types of substances as charged, polar, or nonpolar, and large or small.

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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Molecular Transport Across Membranes Workshop How does the cell membrane control movement of materials? The cellular membrane is critical to the maintenance of homeostasis in living organisms. The cell membrane separates the cell from the external environment and plays a critical role in regulating movement of material in and out of the cell. Additionally, eukaryotic cells are made complex by the presence of internal membranes that form organelles, so the cells may become specialized. These organelle membranes create compartments within the cell that can do specific functions. For this exercise, you will work in groups of four to progress through the activities. At the end of each activity, one group (chosen at random) will share how they responded and open the floor for further discussion. Model 1 - Types of Ions and Molecules in a Cell Type 4 Molecules Molecular oxygen (O,): Туре 1 Ions Type 2 Molecules Туре 3 Molecules Glucose: Water: Potassium: K* OH 0=0 D Sodium: Na+ + O- Urea: Carbon dioxide (CO,): H ОН H Calcium: Ca2+ 0=C=0 OH OH Chloride: CI H OH H2N `NH2 polar nonpolar small large Consider the ions and molecules in Model 1. 1. Pick two substances from the table above that would need to move into or out of a cell to maintain homeostasis and explain why. 2. Complete the lower portion of the table above by labeling the types of substances as charged, polar, or nonpolar, and large or small.
Transcribed Image Text:Molecular Transport Across Membranes Workshop How does the cell membrane control movement of materials? The cellular membrane is critical to the maintenance of homeostasis in living organisms. The cell membrane separates the cell from the external environment and plays a critical role in regulating movement of material in and out of the cell. Additionally, eukaryotic cells are made complex by the presence of internal membranes that form organelles, so the cells may become specialized. These organelle membranes create compartments within the cell that can do specific functions. For this exercise, you will work in groups of four to progress through the activities. At the end of each activity, one group (chosen at random) will share how they responded and open the floor for further discussion. Model 1 - Types of Ions and Molecules in a Cell Type 4 Molecules Molecular oxygen (O,): Туре 1 Ions Type 2 Molecules Туре 3 Molecules Glucose: Water: Potassium: K* OH 0=0 D Sodium: Na+ + O- Urea: Carbon dioxide (CO,): H ОН H Calcium: Ca2+ 0=C=0 OH OH Chloride: CI H OH H2N `NH2 polar nonpolar small large Consider the ions and molecules in Model 1. 1. Pick two substances from the table above that would need to move into or out of a cell to maintain homeostasis and explain why. 2. Complete the lower portion of the table above by labeling the types of substances as charged, polar, or nonpolar, and large or small.
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