pH and Enzymes Pre/Mid/Post Flashcardizz

Front

What is an enzyme?

Back

An enzyme is a biological catalyst that speeds up chemical reactions in living organisms.

Front

What model illustrates how each enzyme only works on one specific substrate?

Back

The lock-and-key model.

Front

How much does each pH unit change the concentration of hydrogen ions?

Back

Each pH unit represents a factor of 10X change in concentration.

Front

What do enzymes do to chemical reactions?

Back

Enzymes speed up chemical reactions.

Front

What does the pH scale indicate?

Back

The pH scale indicates the concentration of H+ ions.

Front

What is the pH of a neutral solution?

Back

The pH of a neutral solution is 7.

Front

What happens to enzyme activity at extreme pH levels?

Back

Enzyme activity decreases and can denature at extreme pH levels.

Front

What is the optimal pH range for most enzymes?

Back

The optimal pH range for most enzymes is between 6 and 8.

Front

What is a substrate in relation to enzymes?

Back

A substrate is the specific reactant that an enzyme acts upon.

Front

What is denaturation in enzymes?

Back

Denaturation is the process where an enzyme loses its functional shape and activity due to extreme conditions.