A filament is a slender, thread-like structure that can be found in various scientific contexts, such as in biology, physics, and astronomy. In biology, filaments are structural proteins like actin and myosin, while in astronomy, they refer to massive, thread-like structures of galaxies and dark matter in the universe.

Filament

Thread-like structure

Scientific contexts

Structural proteins are essential components that provide support and shape to cells and tissues, playing a critical role in maintaining the integrity and function of biological structures. They include a diverse range of proteins such as collagen, keratin, and elastin, each specialized for specific structural roles in the body.

Structural Proteins

Actin is a highly conserved protein that plays a crucial role in cell structure and motility by forming microfilaments, which are part of the cytoskeleton. It is involved in various cellular processes, including muscle contraction, cell division, and intracellular transport, making it essential for maintaining cellular integrity and function.

Actin

Myosin is a motor protein that interacts with actin filaments to generate force and movement in muscle contraction and various cellular processes. It plays a crucial role in converting chemical energy from ATP into mechanical energy, enabling functions like cell motility and intracellular transport.

Myosin

Astronomy is the scientific study of celestial objects, space, and the universe as a whole, aiming to understand their origins, evolution, and fundamental processes. It combines observational techniques with theoretical modeling to explore phenomena ranging from planets and stars to galaxies and cosmic microwave background radiation.

Astronomy

Massive structures

Thread-like structures of galaxies

Dark matter is a form of matter that does not emit, absorb, or reflect light, making it invisible and detectable only through its gravitational effects on visible matter. It is believed to constitute approximately 27% of the universe, influencing the structure and evolution of galaxies and galaxy clusters.

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