Signals and proteins MiStar 7.6_L01-03

Front

Define Proteins

Back

A special type of molecule in our bodies that can do things in our cells.

Front

Define Receptor proteins

Back

Molecules attached to our cells that can sense a stimulus and start a signal that can travel to the brain.

Front

Define Signal

Back

A chemical reaction within a human cell that travels along a nerve cell to the brain.

Front

Define Inherited trait

Back

A physical characteristic of a person that can be passed down from generation to generation, like from a parent to a child.

Front

Define Stimulus

Back

A detectable change in the environment.

Front

What is the role of proteins in the body?

Back

Proteins perform various functions including building tissues, acting as enzymes, and facilitating communication between cells.

Front

What are the two main types of proteins?

Back

Structural proteins and functional proteins.

Front

Give an example of a receptor protein.

Back

Insulin receptor, which helps cells respond to insulin.

Front

What happens when a stimulus is detected by receptor proteins?

Back

They initiate a signal that can be transmitted to the brain.

Front

What is an example of a stimulus?

Back

A change in temperature, light, or sound.