Bacterium — Free Biology Illustration

Biology

Bacterium

A single generic bacterium in simple 2D textbook or educational clipart style, shown as a small rod-shaped or slightly oval prokaryotic cell with rounded ends. It has a smooth outer boundary representing the cell wall or cell envelope, sometimes with a capsule-like appearance and an inner membrane implied. The cell body is colored in soft pastel tones such as pale beige, tan, light green, light pink, muted blue, blue-gray, gray, or purple. Inside is a simple lightly textured or faintly granular cytoplasm with scattered tiny ribosome-like dots and a subtle loosely coiled or compact nucleoid region, with no membrane-bound nucleus or other organelles. Surface appendages are minimal, with none or only a few short hairlike pili, and optionally one or more thin flagella extending from one end or the cell surface. The overall appearance is clean, isolated, and suitable for a basic microbiology diagram.

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