Answer:
The correct answer is - option B. lysosomes.
Step-by-step explanation:
Lysosomes are the cell organelles that are responsible for various functions mainly response against a pathogen or foreign substance, repairing membranes of the cell, and very important function digestion or breakdown of the macromolecules protein, fatty acid, and carbohydrate.
If the newborn baby is not able to digest fatty acids it must be something wrong with the lysosomes as it contains digestive enzymes that help in digestion of all macronutrients including fatty acid or lipids.
Thus, the correct answer is - option B. lysosomes.