Answer:
Hershey and Chase demonstrated that genetic material is contained in the DNA molecule. By using bacteriophages they observed that DNA, but not proteins, contains the genetic material. These researchers tagged DNA with radioactive phosphorus and then separated bacteria and protein phages by centrifugation, observing that bacterial pellet was radioactive
Answer:
Doctor Who official maker and lead author Steven Moffat stated: "Osgood is back, straight from her ongoing homicide toward the finish of last arrangement. "We as of late affirmed that Osgood was unquestionably dead and not returning - yet in a show about time travel, anything can occur.
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Answer:
They bring dissolved nutrients to the surface of the ocean. They decrease the levels of oxygen at the surface of the ocean. They decrease the amount of nutrients at the surface of the ocean.
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