Scientists have determined that the codes for amino acids are? a) different in bacteria and viruses.
b) different in humans and bacteria.
c) universal.
d) never the same.​

Dna is always read in the whereas rna is read in .

Ineed to know why d is the correct answer asap

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13