Real quick just this one question what is the first step of transcription? (1 point) a. rna polymerase attaches to the promoter sequence on dna strand b. the splitting of dna by dna helicase c. the complementary base pairing by rna polymerase d. the complementary base pairing by dna polymerase

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

Is dna the same in every cell in the human body explain your answer