Multiple Choice
Which biomolecule is primarily responsible for insulation and long-term energy storage in animals?
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4. Biomolecules
Lipids
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Which type of biomolecule is primarily important for insulation in animals?
A
Carbohydrates
B
Proteins
C
Nucleic acids
D
Lipids
Verified step by step guidance1
Understand the role of each biomolecule type: Carbohydrates are primarily used for energy storage and quick energy release. Proteins are involved in structural support, enzymatic activity, and other cellular functions. Nucleic acids store and transmit genetic information. Lipids, on the other hand, are hydrophobic molecules that play a key role in energy storage, insulation, and forming cell membranes.
Focus on the function of insulation in animals: Insulation helps animals maintain body temperature by reducing heat loss. This is especially important for animals in cold environments.
Recognize the properties of lipids: Lipids, such as fats and oils, are excellent insulators because they are poor conductors of heat and can form a layer of fat under the skin or around organs to retain body heat.
Eliminate the incorrect options: Carbohydrates, proteins, and nucleic acids do not have significant roles in thermal insulation. Their primary functions lie in energy metabolism, structural support, and genetic information, respectively.
Conclude that lipids are the biomolecules primarily important for insulation in animals due to their ability to store energy and provide thermal insulation through fat deposits.
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