Enzymes 2 : acid, base, review

Front

What is an enzyme?

Back

A biological catalyst that speeds up chemical reactions in living organisms, such as Phosphofructokinase.

Front

What is a reactant?

Back

A substance that is consumed in a chemical reaction, for example, Glucose.

Front

What does it mean to inhibit a reaction?

Back

To stop or slow down a chemical reaction.

Front

What are OH- ions?

Back

They are hydroxide ions, which are characteristic of bases.

Front

What pH range is associated with bases?

Back

pH 8-14.

Front

What is the role of Phosphofructokinase in metabolism?

Back

It is an enzyme that regulates the breakdown of glucose in glycolysis.

Front

Define acid in terms of pH.

Back

A substance with a pH of 1-6.

Front

What is the difference between an acid and a base?

Back

Acids donate protons (H+ ions), while bases accept protons (OH- ions).

Front

Give an example of a common enzyme in the human body.

Back

Amylase, which helps digest carbohydrates.

Front

What is the significance of pH in enzyme activity?

Back

Enzymes have optimal pH ranges for activity; deviations can reduce their effectiveness.