Multiple Choice
At a conference, the speaker's grand finale was sautéing mealworms (insect larvae) in butter and serving them to the audience. They were crunchy (like popcorn hulls) because their exoskeletons contain the polysaccharide __________.
4. Biomolecules
Carbohydrates
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A polysaccharide that is used for storing energy in human muscle and liver cells is __________.
A
glucose
B
starch
C
chitin
D
cellulose
E
glycogen
Verified step by step guidance1
Understand the role of polysaccharides in biological systems. Polysaccharides are long chains of monosaccharide units and serve various functions such as energy storage and structural support.
Identify the function of each option provided: glucose, starch, chitin, cellulose, and glycogen. Glucose is a simple sugar, starch is a plant energy storage polysaccharide, chitin is a structural polysaccharide in fungi and arthropods, and cellulose is a structural polysaccharide in plants.
Recognize that glycogen is the polysaccharide specifically used for energy storage in animals, including humans. It is stored in the liver and muscle cells.
Recall that glycogen is similar to starch but is more highly branched, which allows for rapid release of glucose when energy is needed by the body.
Conclude that the correct answer is glycogen, as it is the polysaccharide used for storing energy in human muscle and liver cells.
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