Answer:
Filtration, Reabsorption, Secretion: The Three Steps of Urine Formation. The kidneys filter unwanted substances from the blood and produce urine to excrete them. There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion.
Explanation:
The answer would be both A and B (: Which is C.
Answer
Only one type of amino acid could be coded for such synthetic mRNA, becacuse it contain only one type of codon.