Macromolecules Reading Guide: Quiz

Which two functional groups are always found in amino acids?

• ketone and aldehyde
• hydroxyl and aldehyde
• carboxyl and amino

• carbonyl and carboxyl

Which letter contains the carboxyl functional group?

• Molecule A
• Molecule B
• Molecule C
• Molecule D

Look closely at the image. What macromolecule is depicted in the image?

• a saturated fatty acid

• a polypeptide

• a monosaccharide

• an unsaturated fatty acid

Carbon, Hydrogen, Oxygen and Nitrogen are elements in what macromolecule?

• An Amino Acid

• A Nucleic Acid

• A Lipid

• A Carbohydrate

Enzymes, hormones, and dipeptides are examples of:

• proteins
• lipids
• nucleic acids
• carbohydrates

Look closely at the image. What macromolecule is depicted in the image?

• Carbohydrate
• Lipid
• Protein
• Nucleic acid

Look closely at the image. What's depicted in the image?

• Protein
• Nucleic Acid
• Lipid
• Carbohydrate

​​​Which of the following statements is true regarding the chemical reaction illustrated in the figure?

• It is a dehydration reaction that is joining two monosaccharides together.

• It is a dehydration reaction that is breaking two monosaccharides apart.

• It results in a dehydration reaction that is breaking the two amino acids apart.

• It is a dehydration reaction that is joining two amino acids together.

What happens when enzymes are heated to a high temperature?

• The enzymes immediately die.

• The shape of the enzyme are changed and it denatures

• The enzymes' amino acid sequence changes.

• The enzymes remain the same

Which macromolecule stores energy, insulates us, and makes up the cell membrane?

• carbohydrates

• lipids

• proteins

• nucleotides