Illustration of structures of a typical bacterium
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Illustration of structures of a typical bacterium
Cutaway illustration of the internal structure of a typical bacterial cell. This example is of a capsulated bacterium; the capsule (light green) forms the outer of 3 layers, covering the cell wall (dark green) and the inner cytoplasmic membrane. Bacteria lack a nuclear membrane & hence a well-defined nucleus. Here, the nuclear body is represented as the blue, spherical feature towards the top of the cell. An invagination into the cytoplasmic membrane is featured at lower right. Growing bacteria contain numerous ribosomes (red spheres) within their cytoplasm, that are involved in the assembly of proteins. Other inclusions act as reserves of energy & nutrients
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6284866
© JOHN BAVOSI/SCIENCE PHOTO LIBRARY
Bacteria Bacterial Bacteriology Bacterium Magnified Image Micro Organisms Microbe Microbes Microscopic Photos Subjects Micro Biology
EDITORS COMMENTS
This print from Science Photo Library provides a detailed illustration of the internal structure of a typical bacterium. The image showcases a cutaway view, allowing us to explore the intricate layers and components that make up this microscopic organism. At first glance, we are drawn to the outermost layer, known as the capsule, depicted in a light green shade. This protective covering envelops both the cell wall, represented by dark green hues, and the inner cytoplasmic membrane. Unlike eukaryotic cells, bacteria lack a well-defined nucleus; however, here we can observe a spherical blue feature towards the top of the cell representing its nuclear body. The image also highlights an invagination into the cytoplasmic membrane at lower right – an interesting structural detail worth examining further. Within the cytoplasm itself lies numerous red spheres called ribosomes responsible for protein assembly. These tiny structures play a crucial role in bacterial growth. Furthermore, this print emphasizes other inclusions within bacteria that act as reserves of energy and nutrients. These vital resources ensure their survival and ability to thrive in various environments. Overall, this magnified image offers an exceptional glimpse into the world of microorganisms through its meticulous depiction of bacterial structures. It serves as a valuable resource for those interested in microbiology or bacteriology while showcasing Science Photo Library's commitment to providing high-quality scientific visuals without commercial intent.
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