Proteins & the digestive system

What is the purpose of teeth?

• To increase the surface area of food

• To break down food particles

• To start chemical digestion

• To protect the body from bacteria

Tags

NGSS.MS-LS1-7

What type of digestion is done by pepsin?

• Chemical

• Physical

• Mechanical

• Enzymatic

Tags

NGSS.MS-LS1-7

What is the pH of the duodenum?

• 7-8

• 7

• 1-2

• 13-14

What substance gives the stomach its pH of 1-2?

• Hydrochloric acid

• Sodium bicarbonate

• Pepsin

• Amylase

What are the two enzymes that break down proteins into amino acids?

• Pepsin

• Pancreatic protease

• Amylase

• Lipase

Proteins are a large complex molecules made up of...

• Amino acids

• Glucose

• Fatty acids & glycerol

• Enzymes

Tags

NGSS.MS-LS3-1

How would you describe canines in carnivores?

• Large and sharp

• Small and sharp

• Small and blunt

• Large and blunt

What does the term assimilation mean?

• The use of nutrients in the body

• The breaking down of nutrients into smaller particles

• The removal of nutrients from the body

• The absorption of nutrients into the bloodstream

Tags

NGSS.MS-LS1-7

How are amino acids transported around the body?

• Bloodstream

• Lymph

• Air

• Digestive system

What is the purpose of the liver?

• To process substances in the body

• To absorb substances in the body

• To digest substances in the body

• To assimilate substances in the body