Chemistry of Life Review

Which type of bond holds two or more water molecules together, as shown?

• van der Waals

• ionic bonds

• hydrogen bonds

• covalent bonds

The phrase "Like dissolves like" means water won't dissolve grease. Why?

• Water is polar; Lipids are nonpolar

• Water is nonpolar; Lipids are polar

Ionic bonds are described as...

• A dipole-dipole interaction

• A transfer of electrons

• An electrostatic attraction between oppositely charged ions

• A shared exchange of electrons

A covalent bond is formed by the

• transfer of electrons

• gaining of electrons

• sharing of electrons

• losing of electrons

Which macromolecule has this structure?

• Carbohydrate

• Lipids

• Proteins

• Nucleic acids

It is the study of the chemistry of living things.

• Circulatory System

• Evaporation

• Biochemistry

• Zoology

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-6

NGSS.HS-LS2-5

Which macromolecule is structured this way?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

Which of the macromolecules are structured in this way?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which student correctly identified the organic compounds in the list?

• student K

• student L

• student M

• student N

Tags

NGSS.HS-LS1-6

A covalent bond is formed between how many monomers

• 6

• 2

• 4

• 1

Tags

NGSS.HS-LS1-6