Proteins, Genes, and Chromosomes Vocab. 1

Proteins, Genes, and Chromosomes Vocab.

Read through the next three slides, then answer the questions that follow.

Proteins and Traits

A protein is a substance that makes up much of an organism's structure and helps it to function.

The type and amounts of proteins an organism has help to determine its traits which are physical characteristics of individuals.

Eye color, hair color, and height are examples of traits.

Structure of Proteins

• If a protein changes shape, the function can change

• This can change the traits that occur in an individual

Proteins and Traits

Variation (differences) in the amount of protein in cells results in different traits.

For example, a protein called melanin can change traits such as eye color and skin color. If there is more melanin in eye cells, eye color will be darker.

Multiple Select

Check all that are true about proteins

• They make up much of an organisms structure

• A change in a protein's shape can change its function

• Variation in the amount of protein changes a trait

• Proteins are always the same in all people

Multiple Choice

What is a trait?

• A type of cell in a human

• The kind of shoes someone chooses to wear

• Someone's favorite food

• Physical characteristics of individuals

Multiple Choice

True or False: Changes in the shape or amount of a protein can change the trait in a person

• True

• False

Multiple Select

Check all that you think are examples of traits in humans

• Hair color

• Eye color

• Favorite food

• Skin color

• Height