chemical compounds in cells

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What are lipids?

Back

Lipids are a group of organic compounds that are insoluble in water but soluble in organic solvents. They include fats, oils, and waxes, and are important for energy storage and cell membrane structure.

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Give examples of foods that contain lipids.

Back

Examples of foods that contain lipids include whole milk, ice cream, and fried foods.

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What are fats?

Back

Fats are a type of lipid that consists mainly of triglycerides, which are made up of glycerol and fatty acids. They are a major source of energy in the diet.

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In which foods are proteins commonly found?

Back

Proteins are commonly found in meat, dairy products, fish, nuts, and beans.

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What is the role of water in chemical reactions in cells?

Back

Most chemical reactions in cells depend on substances that must be dissolved in water to react, making water essential for cellular processes.

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What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include hydrogen, oxygen, and carbon.

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What is a molecule?

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A molecule is a group of two or more atoms bonded together. It can consist of the same or different elements.

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What is a compound?

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A compound is a substance formed when two or more different elements are chemically bonded together. For example, water (H2O) is a compound made of hydrogen and oxygen.

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What are carbohydrates?

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Carbohydrates are organic compounds made of carbon, hydrogen, and oxygen, and are a primary source of energy for living organisms. Examples include sugars and starches.

Front

What is the function of proteins in the body?

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Proteins serve various functions in the body, including building and repairing tissues, acting as enzymes, and supporting immune function.