alleryStart learning →Collagen fibers of the matrix are interwoven with which kind of molecule?
ASheets of phospholipid bilayer
BStrands of nucleic acid
CProteins bearing carbohydrate
DChains of fatty acid tails
Answer & Solution
Correct answer: C. Proteins bearing carbohydrate
1. Collagen fibers form the bulk of the material released into the extracellular space.
2. Interwoven with them are carbohydrate-containing protein molecules called proteoglycans.
3. Collagen and proteoglycans together are what is called the extracellular matrix.
4. Nucleic acid strands stay inside the cell, so they play no part in the matrix.
5. The interwoven molecules are proteins bearing carbohydrate.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.6 Connections between Cells and Cellular Activities_
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