WorksheetsTopic 1.3 Practice Quiz
Total questions: 12
Worksheet time: 6mins
Which type of reaction breaks down polymers into monomers by adding water?
Dehydration synthesis
Hydrolysis
Polymerization
Condensation
What is the process called when two monomers are joined together and a water molecule is removed?
Hydrolysis
Dehydration synthesis
Denaturation
Hydroxylation
During hydrolysis of a protein, what is added to break the peptide bond?
Oxygen
Water
Carbon dioxide
Ammonia
Which of the following best describes the process of dehydration synthesis?
Breaking a polymer into monomers by adding water
Joining two monomers by removing a water molecule
Adding a phosphate group to a molecule
Breaking a bond using light energy
If a disaccharide is broken down into two monosaccharides, which reaction is taking place?
Dehydration synthesis
Hydrolysis
Oxidation
Reduction
Which functional groups are removed from monomers during dehydration synthesis to form a polymer?
Carboxyl and methyl
Hydrogen and hydroxyl
Amino and phosphate
Sulfhydryl and carbonyl
Which of the following best explains why hydrolysis is important in digestion?
It builds new proteins from amino acids.
It breaks down large food molecules into absorbable units.
It stores energy in the form of glycogen.
It removes water from the digestive tract.
Given the following reaction: C12H22O11+H2O→C6H12O6+C6H12O6 , what type of reaction is this and what is being produced?
Dehydration synthesis; two disaccharides
Hydrolysis; two monosaccharides
Hydrolysis; two disaccharides
Dehydration synthesis; two monosaccharides
A scientist wants to synthesize a polypeptide from amino acids. Which process and chemical change must occur?
Hydrolysis; addition of water to peptide bonds
Dehydration synthesis; removal of water to form peptide bonds
Hydrolysis; removal of water to break peptide bonds
Dehydration synthesis; addition of water to form peptide bonds
Explain why dehydration synthesis is essential for the formation of biological macromolecules.
It breaks down polymers into monomers for energy.
It allows monomers to join and form complex structures by removing water.
It adds water to monomers to create energy.
It prevents the formation of covalent bonds between monomers.
A biologist observes that when a certain enzyme is added to a protein solution, the protein breaks down into its constituent amino acids. What type of reaction is the enzyme catalyzing, and what is the role of water in this process?
Dehydration synthesis; water is removed to break bonds
Hydrolysis; water is added to break bonds
Hydrolysis; water is removed to break bonds
Dehydration synthesis; water is added to break bonds
