<span>Epithelial tissue is densely packed cells that used most in the area where protection is needed. This cells mostly used in skin, some with more keratin which will increase their ability to protect. In bone, the main protective layer is calcium mineral which was deposited by osteocytes. Because this bone doesn't really need more epithelial cells. Bone tissue only needs a good vascularization and connective tissue to support it.
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It is for the cells to make protein.
The answer would be Nucleic Acids
Answer:
I believe the answer is C) Carbohydrate
Explanation:
Sugar gives you fast energy, and it is not long term like a lipid, so the answer is C.
