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What type of cell is spindle fibers?
Spindle fibers are not cells but components of cells which are essential in the process of cell division. In animal cells, the spindle fibers are formed by centrioles; however, in plant cells, there is no apparent organizer of the spindle fibers.
Long threads made of actin?
Microfilaments.
What material are microtubules composed of?
Microtubules are polymers of tubulin. Microfilaments are polymers of actin.
Can you convert fibers per cubic centimeter to fibers per milliliter?
Yes. x/30
What are long fibers called another name for long fibers?
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Surrounding the actin myofilaments are two inhibitor substances troponin and what?
Tropomyosin
What are two fibers that cause contraction?
Actin and myosin are two fibers that cause contraction.
The thick filaments of muscle fibers are composed of what?
Myosin
What are the thin fibers responsible for muscle contraction?
The thin myofilaments are actin. They slide between the thick filaments called myosin.
Threadlike fibers found in the cell membrane?
The threadlike fibers in the cell membrane are called actin filaments. They are part of the cytoskeleton and play a key role in maintaining cell shape, cell movement, and cell division. Actin filaments are made up of actin proteins that polymerize to form long, thin fibers.
DO actin and myosin come from muscle fiber?
Yes, actin and myosin are protein filaments found within muscle fibers. Actin is responsible for thin filaments and myosin for thick filaments in muscle contraction.
Actin makes up cytoskeleton fibers called?
The actin that makes up cytoskeleton fibers are called microfilaments. They are the thinnest filaments of the cytoskeleton a structure found in the cytoplasm of eukaryotic cells.Ê
What are the 3 main types of fibers?
The cytoskeleton is a network of fibers that maintains the shape of cells. The three types of fibers are actin filaments, microtubules, and intermediate filaments. Actin filaments are long fibers composed of two protein chains. They are responsible for cellular movements, such as contraction, crawling, "pinching" during division, and formation of cellular extensions. Microtubules are hollow tubes composed of a ring of thirteen protein filaments. They are responsible for moving materials within the cell. Intermediate filaments are tough, fibrous protein molecules structured in an overlapping arrangement. They are intermediate in size when compared to actin filaments and microtubules, and provide structural stability to cells.Read more: what-are-the-three-types-of-fibers-found-in-the-cytoskeleton-of-eukaryotic-cells
What are the fibers that muscles are made of called?
Muscle fibers, or muscle cells, are made up of two kinds of fibers, or myofilaments. The thin ones are called actin, and the thick ones are called myosin.
Fibers of the cytoskeleton are composed of primarily?
Fibers of the cytoskeleton are primarily composed of three types: microfilaments (actin filaments), intermediate filaments, and microtubules. Microfilaments are primarily made of actin, intermediate filaments consist of various proteins like keratins and lamins, while microtubules are made of tubulin protein subunits.
What are structural molecules in muscles and tendons?
The main structural molecules in muscles are actin and myosin, which form the muscle fibers and enable muscle contractions. In tendons, the main structural molecules are collagen fibers, which provide strength and flexibility to connect muscle to bone. Both actin, myosin, and collagen play key roles in maintaining the integrity and function of muscles and tendons.
What are two proteins found in meat?
Two proteins found in meat are myosin and actin. Myosin is a motor protein that is critical for muscle contraction, while actin is a structural protein that helps provide shape and support to muscle fibers.
