Which describes the main purpose of RNA polymerase during transcription? A. RNA polymerase pulls apart the double helix.

B. RNA polymerase is guided to the coding region.

C. RNA polymerase reaches the end of the gene.

D. RNA polymerase produces mRNA from DNA.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Which process of living things produces water that enters the water cycle

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer