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Diagram 1 below illustrates a model of a phospholipid. Diagram 2 is a schematic of a single layer of water molecules in a rectangular dish. A. Describe or draw how phospholipid molecules will orient themselves if in contact with the water molecules in positions labeled A and B? B. Describe or draw how phospholipid molecules will orient themselves if in contact with the water molecules in positions labeled C? C. Explain the rationale behind your description or drawing.

Diagram 1 below illustrates a model of a phospholipid. Diagram 2 is a schematic of a single layer of water molecules in a rectangular dish. A. Describe or draw how phospholipid molecules will orient themselves if in contact with the water molecules in positions labeled A and B? B. Describe or draw how phospholipid molecules will orient themselves if in contact with the water molecules in positions labeled C? C. Explain the rationale behind your description or drawing.

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
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Diagram 1 below illustrates a model of a phospholipid. Diagram 2 is a schematic of a single layer of water molecules in a rectangular dish. A. Describe or draw how phospholipid molecules will orient themselves if in contact with the water molecules in positions labeled A and B? B. Describe or draw how phospholipid molecules will orient themselves if in contact with the water molecules in positions labeled C? C. Explain the rationale behind your description or drawing.
The image shows a diagram illustrating molecular interactions within a rectangular container. The diagram is labeled "II" in the top left corner. There is a rectangle divided into two sections labeled "A" at the top and "B" at the bottom. Inside the rectangle, multiple small clusters represent molecules, likely water molecules depicted as three atoms each (two hydrogen atoms and one oxygen atom). These clusters are arranged randomly and are loosely connected by dotted lines indicating hydrogen bonds. At the center of the rectangle, a label "C" appears, pointing towards one of the hydrogen bonds, highlighting the interaction between the molecules. This diagram likely represents the molecular structure and hydrogen bonding in liquids, such as water, emphasizing the importance of hydrogen bonds in the liquid state.
Transcribed Image Text:The image shows a diagram illustrating molecular interactions within a rectangular container. The diagram is labeled "II" in the top left corner. There is a rectangle divided into two sections labeled "A" at the top and "B" at the bottom. Inside the rectangle, multiple small clusters represent molecules, likely water molecules depicted as three atoms each (two hydrogen atoms and one oxygen atom). These clusters are arranged randomly and are loosely connected by dotted lines indicating hydrogen bonds. At the center of the rectangle, a label "C" appears, pointing towards one of the hydrogen bonds, highlighting the interaction between the molecules. This diagram likely represents the molecular structure and hydrogen bonding in liquids, such as water, emphasizing the importance of hydrogen bonds in the liquid state.
This image depicts a diagram of a phospholipid molecule, commonly found in cell membranes. The diagram breaks down the molecular structure into different components: 1. **Polar Group**: This is the topmost part of the phospholipid and is labeled as the “Polar Group.” This region is hydrophilic, meaning it has an affinity for water. 2. **Phosphate**: Below the polar group, this section of the molecule is labeled as “Phosphate.” It forms part of the hydrophilic "head." 3. **Glycerol**: This component links the phosphate group to the fatty acid chains. 4. **Fatty Acids**: Represented by long chains, these are labeled “Fatty Acid Chain” and are depicted as the lower portion of the molecule. These chains are hydrophobic, meaning they repel water. The image also illustrates the general structure of a phospholipid by highlighting the orientation of the molecule in a simplified manner to the right: - **Hydrophilic Head (Polar)**: Shown as a spherical shape, representing the polar head that interacts with the aqueous environment. - **Hydrophobic Tails (Non Polar)**: Illustrated as zigzag lines, these represent the non-polar tails that avoid water and interact with the hydrophobic interior of the lipid bilayer. This diagram is useful for understanding how phospholipids align themselves to form the bilayer of cellular membranes, with the heads facing outward towards the water and the tails tucked inward, away from the water.
Transcribed Image Text:This image depicts a diagram of a phospholipid molecule, commonly found in cell membranes. The diagram breaks down the molecular structure into different components: 1. **Polar Group**: This is the topmost part of the phospholipid and is labeled as the “Polar Group.” This region is hydrophilic, meaning it has an affinity for water. 2. **Phosphate**: Below the polar group, this section of the molecule is labeled as “Phosphate.” It forms part of the hydrophilic "head." 3. **Glycerol**: This component links the phosphate group to the fatty acid chains. 4. **Fatty Acids**: Represented by long chains, these are labeled “Fatty Acid Chain” and are depicted as the lower portion of the molecule. These chains are hydrophobic, meaning they repel water. The image also illustrates the general structure of a phospholipid by highlighting the orientation of the molecule in a simplified manner to the right: - **Hydrophilic Head (Polar)**: Shown as a spherical shape, representing the polar head that interacts with the aqueous environment. - **Hydrophobic Tails (Non Polar)**: Illustrated as zigzag lines, these represent the non-polar tails that avoid water and interact with the hydrophobic interior of the lipid bilayer. This diagram is useful for understanding how phospholipids align themselves to form the bilayer of cellular membranes, with the heads facing outward towards the water and the tails tucked inward, away from the water.
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