Polymerase , DNA or RNA Enzymes that catalyze the synthesis of nucleic acids on preexisting nucleic acid templates, assembling RNA from ribonucleotides or DNA from deoxyribonucleotides. Polymorphism Difference in DNA sequence among individuals. Primer Short preexisting polynucleotide chain to which new deoxyribonucleotides can be added by DNA polymerase. Probe Single-stranded DNA or RNA molecules of specific base sequence, labeled either radioactively or immunologically, that are used to detect the complementary base sequence by hybridization. Prokaryote Cell or organism lacking a membrane-bound, structurally discrete nucleus and other subcellular compartments.
Bacteria are prokaryotes.
Promoter A site on DNA to which RNA polymerase will bind and initiate transcription. Proteins are required for the structure, function, and regulation of the bodys cells, tissues, and organs, and each protein has unique functions. Examples are hormones, enzymes, and antibodies. A combination of DNA molecules of different origin that are joined using recombinant DNA technologies. Under appropriate conditions, a recombinant DNA molecule can enter a cell and replicate there, either autonomously or after it has become integrated into a cellular chromosome.