Answer:
Some of these proteins serve to transport materials into or out of the cell. Carbohydrates are attached to some of the proteins and lipids on the outward-facing surface of the membrane. These form complexes that function to identify the cell to other cells.
Answer:
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Explanation:
The family Ursidae contains the genus Ursus, which includes 4 species of bear, the brown bears, the polar bear and the two species of black bear.
Depending on the model,same gas mileage,no,precisely
