What do biotechnologists use to cut dna molecules at specific sequences? transformation restriction endonuclease dna ligase dna polymerase

c. live where it’s cold and icy

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.