6 Questions
What is the primary source of energy for the brain?
Glucose
What is the main function of fiber in the digestive system?
To help prevent constipation and support healthy gut bacteria
What is the name of the enzyme that breaks down starch into maltose in the mouth?
Salivary amylase
What is the term for carbohydrates that are composed of three to ten monosaccharides?
Oligosaccharides
What is the main function of carbohydrates in the body?
To provide energy for the body
What is the source of carbohydrates in dairy products?
Lactose
Study Notes
Types of Carbohydrates
-
Simple Carbohydrates (Sugars):
- Monosaccharides: glucose, fructose, galactose
- Disaccharides: sucrose (table sugar), lactose (milk sugar), maltose
-
Complex Carbohydrates (Polysaccharides):
- Oligosaccharides: raffinose, stachyose
- Polysaccharides: starch, glycogen, cellulose, chitin
Functions of Carbohydrates
- Energy Source: primary source of energy for the body
- Structural Role: provide structure and support for cells and tissues
- Protective Function: fiber helps prevent constipation and supports healthy gut bacteria
Sources of Carbohydrates
- Plant-based Sources: fruits, vegetables, grains, legumes
- Animal-based Sources: dairy products, honey
Digestion and Absorption of Carbohydrates
- Mouth: salivary amylase breaks down starch into maltose
- Small Intestine: pancreatic amylase and brush border enzymes break down carbohydrates into monosaccharides
- Absorption: monosaccharides absorbed into bloodstream and transported to cells
Importance of Carbohydrates
- Brain Function: glucose is the primary source of energy for the brain
- Red Blood Cell Function: glucose is necessary for red blood cell production
- Physical Performance: carbohydrates provide energy for muscles during exercise
Learn about the different types of carbohydrates, their functions in the body, and their importance for energy, brain function, and physical performance. Discover the sources of carbohydrates and how they are digested and absorbed.
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