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 __________.
2. Cell Chemistry & Cell Components
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 the human body. Polysaccharides are long chains of monosaccharides linked together, and they serve various functions such as energy storage and structural support.
Identify the function of glycogen. Glycogen is a polysaccharide that serves as a form of energy storage in animals, including humans. It is primarily stored in the liver and muscle cells.
Differentiate between the options provided: glucose, starch, chitin, and cellulose. Glucose is a monosaccharide, not a polysaccharide. Starch is a plant-based polysaccharide used for energy storage in plants. Chitin is a structural polysaccharide found in the exoskeletons of arthropods. Cellulose is a structural polysaccharide found in the cell walls of plants.
Recognize that glycogen is the correct answer because it is the polysaccharide specifically used for energy storage in human muscle and liver cells.
Conclude that glycogen is the appropriate choice for the function described in the problem, as it is the primary storage form of glucose in the human body.
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