原始问题：
1.What are the main component of wheat kernel? Write
their names
The main components of a wheat kernel are the bran, germ, and endosperm. The bran is the outer layer of the kernel and is rich in dietary fiber, minerals, and vitamins. The germ is located at the base of the kernel and is rich in protein, vitamins, minerals, and healthy fats. The endosperm makes up most of the kernel and contains carbohydrates along with some protein.
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