Breast milk has more…………. in comparison to cow&;s milk
Breast milk is known for its optimal nutrition for infants. I remember that breast milk has lower protein content than cow's milk. Cow's milk has more casein, which is harder to digest for babies. Also, breast milk has higher lactose, which is important for brain development. Fat content in breast milk is similar but has more essential fatty acids. Immunological factors like antibodies and white blood cells are present in breast milk, which cow's milk lacks.
The correct answer is probably about lactose, but wait, the question is asking which component is more in breast milk. Let me think. The options aren't provided, but common questions usually compare protein, lactose, fat, or immunoglobulins. Since the correct answer is likely lactose, I need to confirm. Breast milk has about 7g/L lactose, cow's milk around 4.8g/L. So lactose is higher in breast milk. Alternatively, maybe antibodies or fat-soluble vitamins?
Wait, the user's correct answer is missing. Let me check the original question again. The user provided the question and correct answer as "B. Lactose". So the correct answer is B. Lactose.
Now, the core concept is the composition differences. The core concept would be the nutritional composition of breast milk versus cow's milk. Why lactose is higher in breast milk? Because lactose provides energy and aids calcium absorption. Cow's milk has more casein (protein) which is harder to digest.
Wrong options could be protein, fat, or casein. Let's structure the explanation. Core concept: Breast milk is tailored for infant growth with higher lactose and lower protein. Correct answer: Lactose is higher because it's a key energy source. Wrong options: Protein is lower in breast milk, fat is similar but composition differs, casein is higher in cow's milk. Clinical pearl: Lactose in breast milk supports brain development and calcium absorption.
Need to make sure the explanation is concise and covers all sections. Also, check for any possible mistakes. For example, if someone confuses lactose with fat, but fat content is similar. So the key differentiator is lactose and protein. Also, immunological factors like IgA are in breast milk but that's a different aspect. The question is about "more in breast milk", so lactose is the right answer.
**Core Concept**
Breast milk is uniquely adapted for infant nutrition, with a distinct composition compared to cow’s milk. Key differences include higher lactose and lower protein/ash content, which support rapid brain development and ease of digestion in neonates.
**Why the Correct Answer is Right**
Breast milk contains **7.2–7.5 g/L lactose**, significantly higher than cow’s milk (~4.8 g/L). Lactose in breast milk serves as a primary energy source, promotes calcium absorption via the **calcium-binding protein pathway**, and supports **myelination** and **neurodevelopment**. Its osmotic activity also helps retain water in the infant’s intestines, preventing