Acodon is a particular combination of three nucleotides. therefore, there are possible combinations of the nucleotides a, c, g, and t. 64 32 12 16 4

A codon is a particular combination of three nucleotides, therefore, there are 64 possible combinations of the nucleotides. The codons are recognized during the process of translation by the anticodon on the tRNA. Each codon codes for a particular amino acid; the amino acids then joins to form polypeptides and eventually a protein is formed. 

D.) domain, kingdom, phylum, class, order, family, genus, species

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.