Lab 5 - Macromolecules Quiz

Which of the following is NOT considered an organic molecule?

• Glucose

• Water (H₂O)

• Protein

• Lipid

Which group of organic molecules includes sugars, starches, and cellulose?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

Which of the following is a characteristic of polymers?

• Made up of a single atom

• Made up of multiple, similar small subunits

• Always inorganic

• Always contain metal ions

What is the role of water in hydrolysis reactions?

• Water is produced

• Water is absorbed to break bonds

• Water is ignored

• Water acts as a catalyst only

What is the main difference between dehydration synthesis and hydrolysis?

• Dehydration synthesis breaks molecules, hydrolysis forms them

• Dehydration synthesis forms molecules, hydrolysis breaks them

• Both form molecules

• Both break molecules

Which of the following is a correct statement about macromolecules?

• All macromolecules are inorganic

• Macromolecules are made up of repeating subunits called monomers

• Macromolecules cannot be broken down

• Macromolecules are always large

What happens to a fatty acid if double bonds occur between carbon atoms in the chain?

• It becomes unsaturated

• It becomes saturated

• It forms a protein

• It forms a nucleotide

Which of the following is NOT a part of a nucleotide?

• Fatty acid tail

• Five-carbon sugar

• Phosphate group

• Nitrogenous base

What is the sugar in RNA called?

• Ribose

• Deoxyribose

• Glucose

• Fructose

Which bases are pyrimidines?

• Cytosine, thymine, and uracil

• Adenine and guanine

• Adenine and cytosine

• Guanine and uracil