Multiple Choice
Which of the following is not a property of water?
2. Chemical Components of Cells
Small Molecules
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Which type of molecule dissolves in water?
A
Hydrophobic
B
Hydrophilic
C
Amphipathic
Verified step by step guidance1
Understand the terms: Hydrophobic molecules repel water and do not dissolve in it, while hydrophilic molecules are attracted to water and dissolve in it. Amphipathic molecules have both hydrophobic and hydrophilic regions.
Identify the properties of water: Water is a polar solvent, meaning it has a partial positive charge on one side and a partial negative charge on the other, which allows it to dissolve other polar substances.
Recognize the interaction: Hydrophilic molecules, being polar or charged, can interact with water molecules through hydrogen bonding or ionic interactions, allowing them to dissolve.
Consider examples: Common hydrophilic molecules include salts, sugars, and amino acids, which readily dissolve in water due to their polar nature.
Conclude the reasoning: Since hydrophilic molecules can form favorable interactions with water, they are the type of molecules that dissolve in water.
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