Cells and Life Practice quiz

Which substances are macromolecules?

• sugars

• proteins

• nucleotides

• amino acids

Tags

NGSS.HS-LS1-6

Which substance is a lipid?

• RNA

• Sugar

• cholesterol

• cellulose

What is an important function of carbohydrates?

• quick source of energy

• contain genetic information

• they do not dissolve in water

• they do most of the work in cells

Tags

NGSS.MS-LS1-7

What are long chains of molecules that make up many substances in cells?

• lipids

• amino acids

• macromolecules

• simple molecules

Tags

NGSS.MS-LS1-7

Which characteristic of lipids makes them useful as protective barriers in cells?

• They contain starches

• They do not dissolve in water

• They are not macromolecules

• They contain genetic information

Which statement is part of the Cell Theory?

• All living things are made of cells

• Cells are made of macromolecules

• All things on Earth are made of cells

• Cells are composed of carbohydrates and lipids

Tags

NGSS.MS-LS1-1

What are the monomers of DNA?

• amino acids

• glucose (sugar)

• fatty acids

• nucleotides

What type of macromolecule is DNA?

• protein

• nucleic acid

• carbohydrate

• lipid

What is NOT a reason that water is important to cells?

• Water is needed for most of the chemical reactions in cells

• Water maintains stable temperatures in cells

• Water dissolves substances so they can enter or leave a cell

• With out water the cell would dehydrate