Colostrum is different from true milk because it contains less lactose and virtually no:
a. protein
b. fat
c. sodium
d. iron
e. antibodies

☛ Colostrum is different from true milk because it contains less lactose and virtually no FAT, hence answer b is correct.

✎ In a nutshell, human colostrum (in other words - first milk) is a lactiferous gland produced liquid which contains proteins, lactose, anitbodies, iron, sodium, and other components - but a little amount of fat. Colostrum is only produced for a few days after the delivery and is then replaced with true milk.

A.