What is the role of radioactive phosphorus in DNA technologies? A. To produce mRNA
B. To cause mutations
C. To make DNA probes
D. To find amino acids

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except