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COMPOUNDS OF LIVING THINGS Chapter 11 – 2 Part 1.

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Presentation on theme: "COMPOUNDS OF LIVING THINGS Chapter 11 – 2 Part 1."— Presentation transcript:

1 COMPOUNDS OF LIVING THINGS Chapter 11 – 2 Part 1

2 CARBOHYDRATES Carbohydrates are biochemicals that are made of sugar molecules bonded together.

3 SIMPLE 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.

4 COMPLEX 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.

5 Living 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.

6 LET’S FIND OUT! What foods contain starch? LAB: Testing for Starches


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