Question 19N.3.HL.TZ0.19c
| Date | November 2019 | Marks available | [Maximum mark: 2] | Reference code | 19N.3.HL.TZ0.19c |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Explain | Question number | c | Adapted from | N/A |
The table below summarizes the distribution of the amino acids lysine and tryptophan in four food items.
The table below shows the average content of lysine and tryptophan in diets of the UK and India. The Indian diet is mainly vegetarian.
[Source: reprinted from Protein and amino acid requirements in human nutrition. Copyright (2007).
https://www.who.int/nutrition/publications/nutrientrequirements/WHO_TRS_935/en/]
Explain the consequences of protein deficiency malnutrition.
[2]
a. protein/muscle lost for energy ✔
b. lack of blood plasma proteins ✔
c. leading to tissue fluid retention/edema/swollen abdomen/kwashiorkor ✔
d. lethargic/little interest in surroundings ✔
e. thin muscles/flaky appearance of skin/sparse hair with lack of pigmentation ✔
f. physical/mental development retarded ✔
g. lack of menstrual cycle ✔
