Algae cell wall, SEM
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Algae cell wall, SEM
Algae cell wall. Coloured scanning electron micrograph (SEM) of cellulose microfibrils (strands) in a Chaetomorpha sp. algal cell wall. Unlike animal cells, plants cells are enclosed in a protective rigid cell wall. The main constituent of the wall is cellulose, a complex polysaccharide that forms microfibrils. Two other polysaccharides, pectin and glycan, cross-link with the cellulose to increase the strength of the cell wall. Cellulose microfibrils measure between 5 nanometres and 15 nanometres in diameter
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9246493
© BIOPHOTO ASSOCIATES/SCIENCE PHOTO LIBRARY
Alga Algae Cell Wall Cellulose Cytological Cytology Fibril Fibrils Green Alga Green Algae Histological Histology Plant Anatomy Rigid
EDITORS COMMENTS
This print showcases the intricate beauty of an algae cell wall. In this coloured scanning electron micrograph (SEM), we are granted a glimpse into the fascinating world of plant cells and their unique protective structures. Unlike animal cells, plants are enclosed within a rigid cell wall, which acts as a shield against external forces. The main component of this remarkable wall is cellulose, a complex polysaccharide that forms delicate microfibrils or strands. These cellulose microfibrils measure between 5 nanometres and 15 nanometres in diameter, highlighting the incredible precision found within nature's building blocks. To enhance its strength, two other essential polysaccharides called pectin and glycan cross-link with the cellulose fibers. This cross-linking process fortifies the cell wall, ensuring it can withstand various environmental pressures. Through this mesmerizing image captured by Biophoto Associates from Science Photo Library, we gain insight into the structural intricacies of green algae known as Chaetomorpha sp. The monochrome composition emphasizes both simplicity and complexity simultaneously - reminding us of nature's ability to create stunning designs even at microscopic levels. This photograph serves as a testament to the wonders hidden within our natural world and highlights how scientific exploration allows us to appreciate its awe-inspiring details.
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