Proteins IGCSE

What is the monomer for a protein?

• Monosaccharide

• Amino Acid

• Protein

• Polysaccharide

What elements make up a protein/amino acid?

• Carbon, hydrogen, oxygen

• Carbon, hydrogen, nitrogen

• Carbon, hydrogen, oxygen, nitrogen

• carbon, nitrogen

The bond between two or more amino acids is called a...

• Ionic bond

• ester bond

• glyosidic bond

• peptide bond

Two amino acids joined together are called...

• dipeptide

• disaccharide

• protein

• amino acids

How many amino acids are there?

• 4

• 10

• 20

• 30

Which two of the following are examples of proteins?

• Enzymes

• Starch

• White Blood cells

• Cellulose

What is polypeptide?

• A chain of many amino acids joined together

• A chain of monosaccharides joined together

• Two amino acids joined together

• Glucose

What can be the job of proteins in the body? (tick 2)

• Growth and Repair

• Cell membranes

• Energy storage

• Immune system

What would a protein be broken down into?

• Glucose

• Peptide bond

• Amino acid

• Maltose

How confident are you about proteins?

• Very confident

• Quite confident

• Not so confident

• Really not confident