How did Hershey and Chase know that it was the DNA that had infected the bacterial cells in their experiment?

The deserts of the sahara and australia are associated with

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.