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WorksheetsProteins& Enzymes Review Questions
Total questions: 20
Worksheet time: 15mins
Which of the following elements is NOT found in proteins?
Carbon
Hydrogen
Oxygen
Phosphorus
The molecule that binds to the enzyme is called...
Substrate
Enzyme
Enzyme-Substrate Complex
Product
What is created or produced in a chemical reaction is known as...
Substrate
Enzyme-Substrate Complex
Enzyme
Product
The group on the left of the molecule is a/an _______________________ and the group on the right is a/an ________________________
amino, carboxyl
carboxyl, amino
amino, fatty acid
glycerol, carboxyl
One enzyme molecule can catalyze many substrate molecules because
more enzyme molecules are created during the reaction
the enzyme molecule is not used up during the reaction
the enzyme breaks apart and then reforms after the reaction
none of the above
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
Enzymes increase the energy of the reactants.
Enzymes decrease the energy level of the products.
Enzymes reverse the direction of the reaction.
Enzymes decrease the activation energy of the reaction.
Describing enzymes and substrates using the "lock and key hypothesis" attempts to explain the idea that....?
proteins lock up pathways in the cell
enzyme specificity
amino acids are keys for chemical reactions
Sharing of electrons between proteins
What is indicated by letter A?
enzyme
substrate
products
active site
The bond that joins amino acids are called:
Peptide Bonds
Ester Bonds
Glycosidic Linkages
Phosphodiester Bonds
The type of reaction used to join the molecules shown is called :
Dehydration Synthesis
Oxidation
Single Displacement
Hydrolysis
Amino acids that must be supplied by foods in the diet
are:
complete protein
emulsion
essential amino acids
collagen
