Question 50
Animal NutritionThe arrangements below are steps in protein digestion. Which is the correct sequence?
a — polypeptides, b — proteins, c — amino acids, d — peptones
- A.a → b → c → d
- B.c → d → a → b
- C.b → c → a → d
- D.b → d → a → c
- E.b → a → c → d
Show the answer and explanation
Answer: D (b → d → a → c)
Explanation
Proteins are broken down to peptones, then polypeptides, then amino acids: b → d → a → c.