The desert and tundra are alike because they both have limited available water.
The correct answer is phosphorylation. When an ADP (Adenine Diphosphate) molecule gains a phosphate, it becomes an (Adenine Triphosphate) molecule. This process is called a phosphorylation. Phosphorylation and its counterpart dephosphorylation change many proteins in terms of its functions and activities.
This occurs during protein synthesis. This is because the cell continues to protein synthesise, therefore adding to the amount of cells.
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Answer: gas in the air, pollution
Explanation: