Food Science-Protein

What are proteins made of?

• carbon, and hydrogen

• carbon, hydrogen, and oxygen

• carbon, hydrogen, oxygen and nitrogen

• carbon, hydrogen, oxygen, nitrogen and phosphorus

What is the basic unit of protein?

• Amino Acids

• Glucose

• Lactose

• Sugars

How many types of amino acids are available to make protein?

• 11

• 9

• 20

• 14

What is the component of amino acids that made them different from each other?

• Acid group

• Amino group

• Side group

• Carboxylic group

What does an enzyme do?

• Speed up chemical reactions

• Works with the immune system

• Provides structural support

• Helps prevent browning

What protein makes up human hair and nails?

• Enzymes

• Muscle

• Collagen

• Keratin

Protein from plants is

• complete protein

• incomplete protein

• high digestibility protein

• high biological value protein

Protein from animal is

• complete protein

• incomplete protein

• low digestibility protein

• low biological value protein

All proteins in beef, eggs, chicken and legumes are made from the same amino acids.

• True

• False

Secondary structure of protein

• give shape and function to the protein

• combine with other compounds like metal to form conjugate protein

• made from combination of tertiary structure

• combination of a few chains of peptide forming coil structure