Question

What factor or factors discovered with electron microscopy distinguished prokaryotic from eukaryotic cells? 1) their size 2) their color 3) the types of their internal structures or organelles 4) their fragility

Answer 1

Prokaryotic cells are distinguished from eukaryotic cells by the lack of a nucleus and membrane-bound organelles and are typically smaller in size, which aids in rapid diffusion of substances within the cell.

Step-by-step explanation:

The factor that distinguished prokaryotic cells from eukaryotic cells as observed with electron microscopy is the types of their internal structures or organelles. Prokaryotic cells lack a nucleus and membrane-bound organelles, which are typical features of eukaryotic cells. Additionally, the prokaryotic cells have a single, circular chromosome located in a nucleoid region, while eukaryotic cells have multiple, rod-shaped chromosomes within a complex nuclear membrane. Furthermore, prokaryotic cells are smaller in size, typically 0.1 to 5.0 μm in diameter, which allows quick diffusion of ions and organic molecules, while the eukaryotic cells range from 10 to 100 μm and have evolved structural adaptations to enhance intracellular transport.

Learn more about Prokaryotic vs Eukaryotic Cells