77. Which statement is NOT true about physical structure and composition of eggs?
(A)Yolk color varies with feed of the hen, but darker yolks have a higher carotenoid
content.
(B)Shell composes largely of calcium carbonate.
(C)Thick albumen is the major source of egg vitamins, minerals, and fat.
(D)Shell membranes provides protective barrier against bacterial penetration.
詳解 (共 1 筆)
未解鎖
(B) 蛋殼(Shell)母雞下蛋20...