Bio 1 Test 2

Q:Why do you eat?

We eat to release the energy to use it in our daily activities because energy is stored in food.

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Q:What are the types of food which used as a source of energy?

Proteins, carbohydrates and fats are used as energy sources

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Q:define Metabolism?

Metabolism is the sum of the biochemical reactions in the cell. All life activities in the cell are also called metabolism

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Q:Define Carbohydrates?

It is a type of food that made up of sugar and is used as a source of energy. It can be divided into two types, simple and complex

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Q:Give examples of the types of Carbohydrates?

Simple Carbohydrates like table suger & suger in fruits. complex Carbohydrates like starch

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Q:Define lipids?

Lipids are compounds that cannot mix with water. Lipids have many important jobs in the cell. Like carbohydrates, some lipids store energy. Other lipids form the membranes of cells .

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Q:What are the types of lipids?

There are two types of lipids Fats and Oils.

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Q:What is the difference between fats and oils?

at room temperature, most fats are solid, and most oils are liquid. Most of the lipids stored in plants are oils. Most of the lipids stored in animals are fats.

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