bacterial cell anatomy labeling structures on a bacillus cell with nucleoid dna.

line font diagram text drawing cartoon brand sketch document presentation circle map artwork logo organ handwriting bacterial cell anatomy labeling structures bacillus nucleoid dna ribosomes external include capsule pili flagellum infographic backgrounds education medical paint medicine science training laboratory research blood disease illness biology health care microbiology scientific human plasma structure scientist magnification chromosome spiral positive lab nuclear horizontal exam instruction stain coaching lesson negative type comparison crisis cut difference draw inside recovery teaching dna