Proteins

What are Proteins?

• They are large and complex Biomolecules

• They are small and simple Biomolecules

• They are large but simple Biomolecules

• They are small packets of powder that you stir into your milk

Along with Carbohydrates and fats, proteins are one of the ________________________________________

Functions of proteins include (tick all that apply)

• growth and repair of all cells

• providing energy

• insulation

• iron absorption

Proteins are made up of chains of the elements; (tick all that apply)

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Proteins are made up of long chains of _____________ ___________

Amino acids are joined with _______________ links to form proteins

The carboxyl group of an amino acid is ...

• acidic

• basic

• neutral

• amine

The carboxyl group of an amino acid is...

• COOH

• NH₂

• H

• C

Every amino acid is built around a central

• carbon

• carboxyl

• nitrogen

• hydrogen

The variable group of an amino acid is known by ...

• R

• N

• H

• C