The cell membrane regulates which materials are allowed to enter and exit a cell by allowing some materials into the cell, but not everything, making it

Before the civil war, the constitution protected slavery -true -false

What is the significance of the battle of saratoga? a. the defeat at saratoga allowed the british to invade new england by land. b. after the defeat at saratoga france refuse to sign a treaty with the united states. c. the british won a decisive victory at saratoga. d. after the victory at saratoga france gave open support to the united states including arms money and ships.

The yalta conference was held in the country of