Understanding Enzymes and Their Functions

Front

What are enzymes?

Back

Enzymes are biological catalysts that speed up chemical reactions in living organisms without being consumed in the process.

Front

What is the role of an enzyme in a chemical reaction?

Back

Enzymes lower the activation energy required for a reaction to occur, thereby increasing the rate of the reaction.

Front

What is an enzyme-substrate complex?

Back

It is a temporary association formed when an enzyme binds to its specific substrate, facilitating the chemical reaction.

Front

What are enzyme inhibitors?

Back

Substances that decrease enzyme activity by binding to the enzyme and preventing it from catalyzing reactions.

Front

What is enzyme specificity?

Back

Enzyme specificity refers to the ability of an enzyme to catalyze only one specific reaction or a group of closely related reactions.

Front

How do competitive inhibitors work?

Back

Competitive inhibitors bind to the active site of the enzyme, competing with the substrate for binding.

Front

What is a non-competitive inhibitor?

Back

A non-competitive inhibitor binds to an enzyme at a site other than the active site, changing the enzyme's shape and reducing its activity.

Front

What factors affect enzyme activity?

Back

Factors include temperature, pH, substrate concentration, and the presence of inhibitors or activators.

Front

What is the significance of temperature on enzyme activity?

Back

Each enzyme has an optimal temperature range; too high or too low temperatures can denature the enzyme or reduce its activity.

Front

How does pH affect enzyme activity?

Back

Enzymes have an optimal pH range; deviations can lead to decreased activity or denaturation.