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Questions and Answers
What is the common characteristic of disaccharides?
Which of the following is NOT a type of disaccharide?
What is the function of disaccharides in plants?
What is the composition of sucrose?
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What happens when disaccharides are hydrolyzed?
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Study Notes
Disaccharides
Definition
- A type of carbohydrate composed of two simpler sugars (monosaccharides) linked together through a glycosidic bond.
Types of Disaccharides
-
Sucrose (Table Sugar)
- Composed of glucose and fructose molecules
- Found naturally in many plants, especially sugarcane and sugar beets
-
Lactose (Milk Sugar)
- Composed of glucose and galactose molecules
- Found in milk and dairy products
-
Maltose
- Composed of two glucose molecules
- Formed during the breakdown of starch, especially in germinating seeds
Characteristics
- Generally, disaccharides are:
- White, crystalline solids
- Sweet-tasting
- Soluble in water
- Can be hydrolyzed to form their constituent monosaccharides
Functions and Importance
- Disaccharides play important roles in:
- Energy storage and transport in plants
- Providing energy for various cellular processes
- Serving as building blocks for more complex carbohydrates
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Description
Learn about the different types of disaccharides, including sucrose, lactose, and maltose, as well as their characteristics and functions in energy storage, transport, and cellular processes.
