What is the best description of the chromosomes by the end of prophase of mitosis?

The chromosomes have separated at the centromere.

The chromosomes have stretched out.

The chromosomes are pulled to opposite sides of the cell.

The chromosomes have coiled and become more compact.

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)

What is the term for a water wave that is created by an underwater earthquake

The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.