Agroup of dna nucleotides that codes for a single amino acid is a:
a) promoter
b) codon
c) gene

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

What is the similarities and differences between bacteria and eukaryote?

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen