Quizizz #17 (2021)

Proteins, starch, and DNA are similar in that they are all

• organic compounds

• parts of genes

• made of amino acids

• made of simple sugars

Which set of molecules is best represented by letters A and B?

• A: oxygen and water

  B: glucose

• A: glucose

  B: carbon dioxide and water

• A: carbon dioxide and water

  B: glucose

• A: glucose

  B: oxygen and water

In a chemical analysis of a sample of animal tissue, which element would most likely be found in the smallest quantity?

• hydrogen

• carbon

• iodine

• oxygen

Which of the following is not one of the main classes of macromolecules within cells?

• Carbohydrates

• Protein

• Nucleic Acids

• Water

The energy in this molecule is stored

• in the bonds between atoms

• in the oxygen found in the molecule

• when the carbon atoms break off

• when water breaks this molecule apart

The building blocks for this molecule are

• amino acids

• simple sugars

• fats

• molecular bases

Substances X and Y are examples of which kind of molecule?

• amino acid

• fat

• simple sugar

• hormone

What is the name of the bond linking sugar molecules together?

• Peptide bond

• glycosidic bond

• Phosphodiester bond

• Ionic bond

More energy can be released from a fat molecule than from a glucose molecule because the fat molecule contains more

• genes

• mitochondria

• chemical bonds

• organic compounds

What are the building blocks of lipids?

• Glucose

• Amino acids

• Fatty acids and glycerol

• Nucleic Acids