Multiple Choice
What type of bond connects the fatty acid chains to the #1, #2, and #3 positions of glycerol in triacylglycerols?
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10. Lipids
Triacylglycerols
Multiple Choice
The function(s) of triacylglycerols in animals include:
A
Storage for long-term energy.
B
Encoding genetic information.
C
Short-term energy storage.
D
Thermal insulation of body temperature.
E
A and D.
F
A & C.
Verified step by step guidance1
Understand the role of triacylglycerols: Triacylglycerols, also known as triglycerides, are a type of lipid that primarily function as a form of energy storage in animals.
Evaluate option A: Triacylglycerols are indeed used for long-term energy storage. They are stored in adipose tissue and can be broken down into fatty acids and glycerol when energy is needed.
Evaluate option B: Triacylglycerols do not encode genetic information. This function is performed by nucleic acids such as DNA and RNA.
Evaluate option C: Triacylglycerols are not typically used for short-term energy storage. Short-term energy is usually provided by carbohydrates like glycogen.
Evaluate option D: Triacylglycerols provide thermal insulation by forming a layer of fat under the skin, which helps to maintain body temperature. Therefore, options A and D are correct.
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