The membrane that surrounds a cell acts as a gateway. this the cell stay healthy. why does the cell need a gateway? a. cells need a way to take in and remove blood. b. cells need a way to take in food and waste. c. cells need a way to take food in and remove waste. d. cells need a way to move food in, but they do not have any waste.

A cell needs a gateway because the cell needs to taken in food and remove waste.

Explanation:

Cell membrane acts as a gateway to the cell. A clear separation has to be maintained between the interior and exterior of the cell. It is the function of cell membrane to maintain this separation.

Cell membranes are mainly composed of lipids, proteins and carbohydrates.  The movement of substances to the inside and outside of the cell is facilitated by the cell membrane.

Depending on whether energy is expended or not transport across cell membrane can be passive or active.  

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

idk what is it? is this a question that you know the answer or u dont