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: motility, ion transport associated with secretion and absorption, and gastrointestinal blood flow.
Explanation:
The nervous system exerts a profound influence on all digestive processes, namely motility, ion transport associated with secretion and absorption, and gastrointestinal blood flow. The magnitude and complexity of the enteric nervous system is immense - it contains as many neurons as the spinal cord.
Hypotonic. hope this helped
They had to change they way they live which is quite difficult it is like you going to a new school in a new state and not being used to anyone
Answer:
Graptolites lived from the Cambrian Period, about 510 million years ago, disappearing in the Carboniferous Period, around 320 million years ago.
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