4/8 - Exit Ticket - Biomolecules and Enzymes

Front

What is an enzyme?

Back

An enzyme is a protein that acts as a catalyst to speed up chemical reactions in the body by lowering the activation energy required.

Front

What is the role of a substrate in enzyme activity?

Back

A substrate is the specific reactant that an enzyme acts upon, binding to the enzyme's active site to form a product.

Front

What happens to an enzyme when it is denatured?

Back

When an enzyme is denatured, its three-dimensional structure is altered, preventing it from binding to its substrate and catalyzing reactions.

Front

What is enzyme inhibition?

Back

Enzyme inhibition is a process where a molecule (inhibitor) binds to an enzyme and decreases its activity, preventing the enzyme from catalyzing its reaction.

Front

What are amino acids?

Back

Amino acids are the building blocks of proteins, consisting of an amino group, a carboxyl group, and a unique side chain.

Front

What is the active site of an enzyme?

Back

The active site is the specific region on an enzyme where the substrate binds and the reaction occurs.

Front

How do environmental factors affect enzyme activity?

Back

Environmental factors such as temperature and pH can affect the shape and function of enzymes, potentially leading to denaturation or altered activity.

Front

What is the lock and key model of enzyme action?

Back

The lock and key model describes how a substrate fits perfectly into the active site of an enzyme, similar to a key fitting into a lock.

Front

What is a coenzyme?

Back

A coenzyme is a non-protein molecule that assists enzymes in catalyzing reactions, often by acting as a carrier for chemical groups.

Front

What is the difference between competitive and non-competitive inhibition?

Back

Competitive inhibition occurs when an inhibitor competes with the substrate for the active site, while non-competitive inhibition occurs when an inhibitor binds to a different site, altering enzyme function.