Enzymes

Front

Enzymes are... (Options: nucleic acids, proteins, lipids, carbohydrates)

Back

proteins

Front

In the diagram, what is letter A? Options: product, substrate, enzyme-substrate complex, active site

Back

enzyme-substrate complex

Front

Any substance that is acted upon by an enzyme is called a(n)?

Back

Substrate

Front

What is a substance called if it speeds up a chemical reaction?

Back

catalyst

Front

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

Back

The reaction rate will increase.

Front

What is another name for the substance labeled "catalyst" in a biochemical process diagram? Options: Enzyme, inorganic compound, Hormone, Antibody

Back

Enzyme

Front

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph? Options: Enzymes increase the energy of the reactants., Enzymes decrease the energy level of the products., Enzyme decrease the activation energy of the reaction., Enzymes reverse the direction of the reaction.

Back

Enzyme decrease the activation energy of the reaction.

Front

Which enzyme is most efficient in a basic solution?

Back

B

Front

What happens when enzymes are heated to a high temperature?

Back

The shapes of the enzyme are altered denature

Front

Which conclusion can be drawn from the graph regarding the enzyme's optimum pH? Options: The optimum pH of the enzyme is 6.6, The optimum pH of the enzyme is 5.8, The enzyme’s activity increases as pH increases from 5.0 to 9.0, The enzyme’s activity is greater around pH of 8.0.

Back

The optimum pH of the enzyme is 6.6.