Macromolecule Unit

What are the four macromolecules of life?

• Proteins, Nucleic Acids, Carbohydrates, Lipids
• Proteins, Nucleic Acids, Carbohydrates, Gases
• Proteins, Nucleic Acids, Minerals, Lipids
• Proteins, Vitamins, Carbohydrates, Lipids

A grease stain indicates the presence of which macromolecule?

• Nucleic Acids
• Proteins
• Carbohydrates
• Lipids

Identify which option is NOT a function of a protein.

• Catalyzing biochemical reactions
• Transporting molecules
• Providing structural support
• Generating light

Which of the following options is a monomer of a carbohydrate?

• Amino acid
• Nucleotide
• Glucose
• Fatty acid

How many naturally occurring amino acids exist?

• 20
• 22
• 18
• 24