Which describes the main purpose of RNA polymerase during transcription?
O
A. RNA polymerase reaches the end of the gene.
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B. RNA polymerase is guided to the coding region.
O
C. RNA polymerase pulls apart the double helix.
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D. RNA polymerase produces mRNA from DNA.

Forensic scientists think they know the identity of a skeleton. what rule should they use to select a relative whose dna could be used to try to confirm the identity?

Can someone me i need the answer and don’t understand?

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food