Protein Functions in Human Body

Proteins are mainly composed of...(select all that apply)

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Tags

NGSS.HS-LS1-6

Antibodies are proteins that...

• identify, attack, and destroy foreign substance in your body

• can be identification markers on the outside of cells or an entire foreign substance

• can determine your blood type

• can cause sickness

Antigens are proteins that...(select all that apply)

• identify, attack, and destroy foreign substance in your body

• can be identification markers on the outside of cells or an entire foreign substance

• can determine your blood type

• can cause sickness

Collagen is a protein that helps maintain the _____ of your skin.

• Color

• Tone

• Elasticity

• Roughness

Hair, nails, feathers, and hooves all contain...

• Collagen

• Cellulose

• Keratin

• Antigens

The protein (myosin and actin) are responsible for your muscles contracting and relaxing. This is an example of what function of proteins?

• Defense/Identification

• Movement

• Transport

• Structure

Enzymes belong to which category of organic molecule?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

Tags

NGSS.HS-LS1-1

Which statement about enzymes is FALSE?

• They are made from amino acids

• They can be used multiple times

• They lower the energy needed for reactions

• A single enzyme has many different functions

Check all of the boxes that can be a function of a protein.

• help transport nutrients like oxygen in the blood

• can help speed up chemical reactions like fat digestion

• build structures like hair and nails

• make up structures like antibodies and membrane pumps

_____________ are proteins that bind to specific substances to speed up the reaction.

• Viruses

• Substrates

• Enzymes