B! dont worry im positive
Answer:
The immune system similar to a tiny police force that always patrols every organ and tissue inside the body. It works closely with the circulatory system for shipment needs and the lymphatic system for the production of lymphocytes.
Explanation:
Answer:
64.
Explanation:
It is 64 because there are 20 amino acids with four bases ( A,T,C and G).
and genetic code can be read in triplets and also the four bases can occupy the positions. Eachh amino acid can be coded by the triplet codons. A triplet codon shows three nucleotides of the mRNA template that can code for amino acid
Therefore the number of codons is 4×4×4= 64.
