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3. Titan Life? Let's now think about the possibility of life on Titan (a moon of Saturn), which has lakes of liquid ethane and methane. a) The chemical structures of methane, ethane, and water are shown below. Label each molecule as "polar" or "nonpolar." H Methane -H H- H -C-C-NOU H Ethane H H H b) Cell membranes in Earth life are made of phospholipids (see figure below). We often represent these schematically as a ball and stick (see picture), where the ball represents the polar head and the stick represents the nonpolar tail. Sketch a drawing of vesicles (or cell membranes) in water, using these ball-and-stick representations for the lipids making up the membrane. Indicate in your sketch where water is present (e.g. inside or outside the vesicle? In the membrane?) Hydrophilic (polar) head H-C Hydrophobic (non-polar) tail Water c) How would these phospholipids behave in solutions of ethane/methane on Titan? Draw a sketch of a potential structure that the lipids would form in ethane/methane solutions. (Note that a number of answers are possible.) Indicate in your sketch where the ethane/methane solution will be in or around the structure.

3. Titan Life? Let's now think about the possibility of life on Titan (a moon of Saturn), which has lakes of liquid ethane and methane. a) The chemical structures of methane, ethane, and water are shown below. Label each molecule as "polar" or "nonpolar." H Methane -H H- H -C-C-NOU H Ethane H H H b) Cell membranes in Earth life are made of phospholipids (see figure below). We often represent these schematically as a ball and stick (see picture), where the ball represents the polar head and the stick represents the nonpolar tail. Sketch a drawing of vesicles (or cell membranes) in water, using these ball-and-stick representations for the lipids making up the membrane. Indicate in your sketch where water is present (e.g. inside or outside the vesicle? In the membrane?) Hydrophilic (polar) head H-C Hydrophobic (non-polar) tail Water c) How would these phospholipids behave in solutions of ethane/methane on Titan? Draw a sketch of a potential structure that the lipids would form in ethane/methane solutions. (Note that a number of answers are possible.) Indicate in your sketch where the ethane/methane solution will be in or around the structure.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter8: Bonding And Molecular Structure
Section: Chapter Questions
Problem 91IL: A paper published in the research Journal Science in 2007 (S. Vallina and R. Simo, Science, Vol....
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3 Need Help with the following chemistry problems, thank you!

2:21 PM Mon Feb 26 3. Titan Life? Let's now think about the possibility of life on Titan (a moon of Saturn), which has lakes of liquid ethane and methane. H H -H + H Methane a) The chemical structures of methane, ethane, and water are shown below. Label each molecule as "polar" or "nonpolar." H HC-C H₂ O H- H₂ 114₂ H N(CH), ·C H Ethane H C H b) Cell membranes in Earth life are made of phospholipids (see figure below). We often represent these schematically as a ball and stick (see picture), where the ball represents the polar head and the stick represents the nonpolar tail. Sketch a drawing of vesicles (or cell membranes) in water, using these ball-and-stick representations for the lipids making up the membrane. Indicate in your sketch where water is present (e.g. inside or outside the vesicle? In the membrane?) H ●●● lyceum.bates.edu Hydrophilic (polar) head Hydrophobic (non-polar) tail H-O Water c) How would these phospholipids behave in solutions of ethane/methane on Titan? Draw a sketch of a potential structure that the lipids would form in ethane/methane solutions. (Note that a number of answers are possible.) Indicate in your sketch where the ethane/methane solution will be in or around the structure. 79%
Transcribed Image Text:2:21 PM Mon Feb 26 3. Titan Life? Let's now think about the possibility of life on Titan (a moon of Saturn), which has lakes of liquid ethane and methane. H H -H + H Methane a) The chemical structures of methane, ethane, and water are shown below. Label each molecule as "polar" or "nonpolar." H HC-C H₂ O H- H₂ 114₂ H N(CH), ·C H Ethane H C H b) Cell membranes in Earth life are made of phospholipids (see figure below). We often represent these schematically as a ball and stick (see picture), where the ball represents the polar head and the stick represents the nonpolar tail. Sketch a drawing of vesicles (or cell membranes) in water, using these ball-and-stick representations for the lipids making up the membrane. Indicate in your sketch where water is present (e.g. inside or outside the vesicle? In the membrane?) H ●●● lyceum.bates.edu Hydrophilic (polar) head Hydrophobic (non-polar) tail H-O Water c) How would these phospholipids behave in solutions of ethane/methane on Titan? Draw a sketch of a potential structure that the lipids would form in ethane/methane solutions. (Note that a number of answers are possible.) Indicate in your sketch where the ethane/methane solution will be in or around the structure. 79%
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