Answer:
<u>ion channels</u>
Explanation:
The plasma membrane plays a critical role in regulating and maintaining ionic potential inside the cell, relative to ionic concentration present outside the cell. The ion channels are specific, in that they only recognize and allow particular ions to pass through and block the rest. Their opening and closing depends on the ionic potential during that time period.
Answer:
hydrogen gas dominated earth's first atmosphere?
Cell, and gas are for sure made up of atoms so it’s either heat or a solid
In a food chain, plants are primary producers, as they produce biomass.
Answer: plants
