Proteins are made of many ____ bonded together.

• amino acids

• enzymes

• polypeptides

All amino acids have the same basic structure. Which part of the amino acid makes each each one unique?

• amino group

• carboxyl group

• R-group (side chain)

What is the name for a chain of amino acids?

• Polypeptide chain

• Triglycerides

• Polysaccharides

• Nucleotides

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

What is the name of the bond that joins two amino acids together?

• Ester bond

• Glycosidic bond

• Peptide bond

• Nucleic bond

Proteins are made of

• CHO

• CHON

• CHONP`

• CHONS

What is an example of a protein?

• Strawberries
• Bread
• Pasta
• Steak

How many different amino acids are there?

• 15
• 20
• 25
• 30

What is a protein: 

• A polymer composed of many sugars.
• A polymer composed of many amino acids. 
• A polymer composed of fatty acids. 
• A polymer composed of nucleotides. 

The diagram shows the structure of an amino acid. Which type of molecule is formed from amino acids?

• lipids
  
• proteins
  
• carbohydrates
  
• nucleic acids