How Does Tropocollagen Form?
The Formation of Tropocollagen Begins in the Nucleus of a Fibroblast, When a Messenger Rna (Mrna) Molecule Is Formed on a Stretch of Dna (A Collagen Gene)...
The formation of tropocollagen begins in the nucleus of a fibroblast, when a messenger RNA (mRNA) molecule is formed on a stretch of DNA (a collagen gene) through the process of transcription. The mRNA leaves the nucleus and becomes associated with the ribosomal units that stud the membranes of the RER.
What are Tropocollagen?
Tropocollagen is the structural unit of a collagen fiber. It is made up of three polypeptide strands (referred to as alpha peptides) that are twisted together into a super helix or a right-handed triple helix. The amino acids in each chain are arranged in a regular pattern.
What is collagen formation?
Collagen is composed of 3 chains. The chains are wound together to form a triple helix. ... The process of collagen synthesis occurs mainly in the cells of fibroblasts which are specialized cells with the main function of synthesizing collagen and stroma. Collagen synthesis occurs both intracellularly and extracellularly.
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