macronutrients - protein

Question 1

Absorption: Small intestine

Answer 1

• amino acids move to villi to bloodstream which then transports AA to cells in body

Question 2

Utilisation

Answer 2

• growth, maintenance and repair (bones, blood, hormones)
• assist in energy production
• 2nd energy source for growth/ activity

Question 3

Digestion 1: Stomach

Answer 3

• release gastric acid containing hydrochloric acid
• pepsin (enzyme) released among digestive juices and activated by H.A (begins breakdown of protein into A.A)

Question 4

Digestion 1: Pancreas

Answer 4

• Pancreatic protease is released into small intestine
• further breaks down into amino acids and peptides