7.6 Vocabulary

Front

A noticeable change in the environment (light, sound, touch, or chemicals). More than one stimulus is called stimuli.

Back

Stimulus

Front

The building blocks of proteins. There are 20 different types of amino acids, and they can combine in various ways. The specific arrangement of these amino acids determines the shape and function of the proteins they form.

Back

Amino Acids

Front

A molecule attached to our cells that can sense a stimulus and start a signal that travels to the brain.

Back

Receptor Proteins

Front

Molecules in our bodies that do different jobs for our cells based on their shape.

Back

Protein

Front

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

Back

Inherited Trait