In an experiment, a scientist makes a radioactively labeled probe using viral DNA. She then discovers that the probe hybridizes to a small segment of DNA
isolated from human tissue. What can she conclude from her results?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen