Question
The roles played by lipids in an organism can be placed into three categories:
1. ____
Answer
The roles played by lipids in an organism can be placed into three categories:
1. Energy storage
2. Cellular organization and structure, particularly in the membrane
3. Provision of precursor molecules for vitamins and hormones
Note: As you read about the following types of fats, relate each of them back to the three major functions of lipids. Remember that long carbon chains allow energy storage; that fats assemble into barriers separating aqueous environments because they are hydrophobic; and that lipids are useful as precursors for signaling molecules because they can pass through cellular membranes.
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The ____ of water is what makes it a perfect solvent for chemical reactions in the body.
Polar molecules or ionic compounds are readily solvated by ____.
Water is a small polar molecule that can participate in ____ bonding.
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Due to ____, water molecules pull apart polar molecules or ions and form ordered networks around them.
Due to polarity and hydrogen bonding, water molecules p____