Cell Biologists is the name
Cell biologists or sometimes cytologists.
Microbiologists
Cell Biologists
Oceanographers and marine biologists both study the ocean.
Evolutionary biologists.
People who study cells are called cell biologists. They specialize in the study of the structure, function, and behavior of cells, including how they interact with each other and their environment.
Botanists, or plant biologists.
Transmission Electron Microscopy
Biologists particularly zoologists
The smallest thing a biologist studies would be cells. Smaller than that you get into biochemistry.
a transmission electronic microscope.
Cell cultures can be used to test cell responses under controlled conditions, to study interactions between cells, and to select specific cells for further study.