Chemistry of Life Review

Lipids are a macromolecule that do not have "true" monomers. What are the "building blocks" of all lipids?

• Fatty Acids

• Ester Groups

• Hydrocarboxylic Acid

• Glycerol

An ion is formed when an atom gains or loses...

• protons

• neutrons

• bonds

• electrons

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NGSS.HS-PS1-1

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Hydrolysis is the process of...

• adding water to break down a polymer

• taking a water molecule from two small molecules to make a larger polymer

Glycosidic Linkages are to Carbohydrates as Peptide Bonds are to...

• Amino acids

• Nucleotides

• Lipids

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NGSS.HS-LS1-6

Which type of macromolecule stores genetic information?

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

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NGSS.HS-LS3-1

What changes during a chemical reaction between two compounds?

• Number of atoms

• Chemical bonds

• Total Mass

• Total Energy

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NGSS.HS-PS1-4

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Based on the graph, what can you conclude about the relationship between enzyme concentration and reaction rate?

• Reaction rate decreases with increasing enzyme concentration

• Reaction rate increases with decreasing enzyme concentration

• Reaction rate increases with increasing enzyme concentration

• The variables are indirectly proportional

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NGSS.HS-PS1-5

Which concentration of catalase will produce the fastest reaction rate?

• 5%

• 10%

• 15%

• 20%

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NGSS.HS-PS1-5

The attraction between a hydrogen atom on one water molecule and the oxygen atom on another is known as a

• covalent bond

• hydrogen bond

• ionic bond

• van der waals attractive forces

A process that changes, or transforms, one set of chemicals into another is known as a(n):

• polypeptide bond

• chemical reaction

• element

• covalent bond

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NGSS.MS-PS1-2

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