Which of the following could be a nucleotide of rna

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna