You are a scientist who studies the ecological interactions between parasitic orchid plants and their host plants. you are interested in examining how these orchids affect their respective host plants' ability to conduct photosynthesis.

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple