Cell Plate
Cell Plate
Cell PlateCell Plate
The centrosomes.
Cell PlateCell Plate
During the metaphase of cell division, the spindle fibers radiate from the centrioles at the opposite poles of the cell. When the spindle fibers start to pull the chromosomes to opposite poles, this marks the anaphase of cell division.
Crosslinking agents, such as formaldehyde or glutaraldehyde, are often used to harden compounds around protein fibers by forming chemical bonds between the protein molecules. This process helps to stabilize the structure of the protein fibers and prevent degradation.
Fibrous protein
The solid protein fibers, which form a mesh over wounds, are called "fibrin".
Elastic fibers made of the protein elastin has a coiled structure which allows it to stretch and recoil. Fibers can stretch up to 150 percent of their relaxed state length without breaking.
The name of the protein that forms the basic fibers of body tissue is collagen. Collagen is the most abundant protein in the human body and provides structure and strength to tissues such as skin, tendons, and bones.
Protein fibers, primarily collagen, play a crucial role in bone structure by providing tensile strength and flexibility. They form a scaffolding that supports the mineral component of bone, mainly hydroxyapatite, allowing bones to withstand stress and resist fractures. This collagen matrix also facilitates the attachment of cells involved in bone remodeling, contributing to overall bone health and maintenance. Together, the protein fibers and mineral components create a resilient and adaptable bone structure.
Myelin fibers themselves do not contain collagen. Myelin is primarily composed of lipids and proteins, specifically a type of protein called myelin basic protein and other associated proteins that help in its structure and function. Collagen is a structural protein found in connective tissues, but it is not a component of the myelin sheath surrounding nerve fibers.
Collagen fibers, elastic fibers, and reticular fibers are the three main types of fibers found in connective tissue. Collagen fibers provide strength and support, elastic fibers offer flexibility, and reticular fibers form a network-like structure to support various tissues and organs.