It take 4 nitrogen bases to make a codon.
Answer :
The<u> fat </u>of the myelin sheath insulates neurons so messages are conducted more efficiently.
Letter B, shows the amount of energy within each trophic level.
letter A all the animals work together to create a living that is good for them.
A karyotype cannot determine if an organism is male or female. I am pretty sure that is the answer.
