Enzymes

Front

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

Back

catalyst

Front

Each enzyme only has 1 substrate that will fit its active site. What is this called? Options: reusablility, denaturation, specificity, fragility

Back

specificity

Front

With what 3 letters do enzymes typically end?

Back

-ase

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 of the following conclusions can be drawn from this graph? 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 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.

Front

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

Back

Substrate

Front

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

Back

enzyme-substrate complex

Front

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

Back

proteins

Front

An enzyme speeds up a chemical reaction in the cell but can only be used once. True or False?

Back

false

Front

What is the function of an enzyme?

Back

enzymes speed up chemical reactions