2CARBOHYDRATESCarbohydrates are biochemicals that are made of sugar molecules bonded together.
3SIMPLE CARBOHYDRATES Glucose is a simple sugar or simple carbohydrate. The body can break down simple sugars quickly for energy.Simple sugars include sucrose, lactose, and fructose.
4COMPLEX CARBOHYDRATES Complex carbohydrates are composed of 3 or more simple sugars.The simple sugars join together to form chains of repeating units.These break down slowly providing a long term source of energy.Sources are legumes, whole grains, and starchy vegetables.
5Living things use carbohydrates mostly as a source of energy. Example: glycogen supplies energy to muscle cells.They have other uses as well.Example: cellulose gives cell walls in plants their rigid structure.
6LET’S FIND OUT!What foods contain starch?LAB: Testing for Starches