Aforensic scientist finds a single skin cell from saliva on a cigarette butt left in a room where a murder has just occurred. what process might he or she utilized to accumulate enough dna to determine who left the cigarette at the scene of the crime?
a. genetic engineering
b. gene therapy
c. gel electrophoresis
d. polymerase chain reaction

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

What terms describes being out of water after being submerged

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls