Scelta multipla
Which of the following cell types are least sensitive to ionizing radiation damage?
249
views
5. Cell Components
Cell Junctions
Scelta multipla
Cells that communicate with each other by direct contact typically use which type of cell junction?
A
Gap junctions
B
Desmosomes
C
Plasmodesmata
D
Tight junctions
Guida verificata passo dopo passo1
Understand the concept of cell junctions: Cell junctions are specialized structures that connect cells to each other or to the extracellular matrix. They play a role in communication, adhesion, and maintaining tissue integrity.
Learn about the types of cell junctions: Gap junctions, desmosomes, plasmodesmata, and tight junctions are the main types. Each has a specific function in cellular communication and adhesion.
Focus on direct communication: Gap junctions are specialized for direct communication between adjacent cells. They allow ions, small molecules, and electrical signals to pass through protein channels called connexons.
Differentiate between the options: Desmosomes provide mechanical strength by anchoring cells together, plasmodesmata are plant-specific structures for communication, and tight junctions create a seal to prevent leakage between cells.
Conclude that gap junctions are the correct answer for direct communication between cells, as they facilitate the exchange of materials and signals efficiently.
Video correlati
Pratica correlata
