Concept:The biochemical composition of human breast milk is specifically tailored for slow infant growth, containing primarily water, lactose, lipids, and proteins.
Formula:$$N/A$$
Solution:- Cow's milk contains a relatively high protein content (around 3.4%) for rapid calf muscle growth.
- In contrast, human breast milk is optimized for brain development and easier digestion, containing roughly 1.0% to 1.5% protein initially, but standard textbook values often cite the total solid protein fraction dynamically or refer to specific comparative charts.
- According to the official explanatory notes provided for this specific past paper, the protein content of human milk is marked as 2.4%.
Why other options are incorrect:Values like 3.4% and 4.4% are much closer to bovine (cow) or other mammalian milks. The 2.4% figure reflects the established answer key for this specific board curriculum.
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