Ch. 4 Physical Science

The smallest part of a compound that has all the properties of the compound is a

• Amino Acid

• Molecule

• Compound

Sugars and starches are examples of

• Carbohydrates

• Lipids

• Proteins

The bond formed when atoms gain or lose electrons is an

• Covalent Bond

• Ionic Bond

Two or more substances that have been combined but not chemically changed form a

• Compound

• Mixture

The study of organic compounds is

• Organic Chemistry

• Zoology

• Geography

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The building blocks of proteins are called

• Lipids

• Amino Acids

• Proteins

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The bond formed when atoms share electrons is a

• Covalent Bond

• Ionic Bond

• James Bond

An _______________________ is a charged atom

• Amino Acid

• Ion

• Polymer

Organic compounds made up mostly of carbon and hydrogen are

• Proteins

• Amino Acids

• Lipids

_______________ are compounds needed to build and repair the body.

• Lipids

• Amino Acids

• Proteins

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