Worksheets1A Quiz #6 - Enzymes & Chemical Reactions
Total questions: 15
Worksheet time: 4hrs 45mins
Which statement best describes the role of an enzyme during a chemical reaction?
It changes the temperature of the reaction.
It changes the pH of the reaction.
It dissolves the reactants.
It speeds up the reaction, without being used up completely.
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.
Enzyme decrease the activation energy of the reaction.
Enzyme increase the activation energy of the reaction.
What happens to the structure of a protein when it is exposed to a temperature that is too high?
The enzyme increases in function.
The structure of the protein is not changed.
The enzyme becomes denatured.
The energy required to get a reaction started is called the
adhesion energy
chemical energy
cohesion energy
activation energy
Enzymes are which type of biomolecule?
nucleic acids
proteins
lipids
carbohydrates
In the diagram, what is represented by letter C ?
active site
enzyme
substrate
products
In the diagram, what is represented by letter A ?
product
substrate
enzyme-substrate complex
active site
In the diagram, what is represented by letter D ?
active site
enzyme
substrate
products
In the diagram, what is represented by letter B ?
active site
enzyme
substrate
products
In the diagram, what is represented by letter E ?
active site
enzyme
substrate
products
What is activation energy?
The energy it takes to make an enzyme.
The energy it takes to start a reaction.
The energy it takes to stop a reaction.
The energy it takes to keep the enzyme in the same shape.
All biomolecules contain which element?
Oxygen
Nitrogen
Carbon
Hydrogen
Most enzymes end with the letters
-ase
-ose
-ic
-ate
An enzyme are very specific and can only bind with one type of substrate.
True
False
