When dna replicates select one: a. transcription factors determine where to begin dna replication. b. the original dna unwinds, and multiple copies of a region are transcribed before the dna closes back up. c. the original dna is not affected and a new double-stranded dna is made from two new strands of dna. d. a cell that was diploid (2n) will now be tetraploid (4n). e. one strand of the original dna ends up in each of the new dna molecules?

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.