Answer:
The given blank can be filled with reservoir.
Explanation:
A reservoir refers to a natural or man-made lake, pond or pool, which is utilized as a supply of water. It is generally produced using a lock or dam, like in river valleys a dam is used. It comprises a section of the biosphere, which fills in as a long haul zone of stockpiling for supplements or water. A reservoir can be formed by manipulating the flow of water from a prevailing water body.
Answer: Membrane transport proteins are specific and selective for the molecules they move, and they often use energy to catalyze passage. Also, these proteins transport some nutrients against the concentration gradient, which requires additional energy.
Explanation: