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Question
Which of the following is a type of intercellular junction between animal cells?
Which of the following is a type of intercellular junction between animal cells?
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Solution
The correct option is A Desmosome
- Desmosomes are circular regions where adjacent membranes possess disc-shaped thickening on the inner side, a number of tonofibrils, and transmembrane linkers embedded in the dense intercellular material. Desmosomes act as 'spot welds' and keep the cells firmly together. They occur in epithelia subjected to disruption.
- Plasmodesmata is protoplasmic bridge amongst plant cell wall which occur in the areas of cell wall pits or pores.
- Middle lamella is a layer of the cell wall and the cell wall is absent in an animal cell.
- The glycocalyx is a highly charged layer of membrane-bound biological macromolecules attached to a cell membrane.
Therefore, the correct answer is option C.
- Desmosomes are circular regions where adjacent membranes possess disc-shaped thickening on the inner side, a number of tonofibrils, and transmembrane linkers embedded in the dense intercellular material. Desmosomes act as 'spot welds' and keep the cells firmly together. They occur in epithelia subjected to disruption.
- Plasmodesmata is protoplasmic bridge amongst plant cell wall which occur in the areas of cell wall pits or pores.
- Middle lamella is a layer of the cell wall and the cell wall is absent in an animal cell.
- The glycocalyx is a highly charged layer of membrane-bound biological macromolecules attached to a cell membrane.
Therefore, the correct answer is option C.
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