2024 Re-NEET Cell: The Unit of LifeCell junctions Medium Question 23 of 137 in Cell: The Unit of Life

Which of the following statements is correct about the type of junction and their role in our body?

A Adhering junctions facilitate the cells to communicate with each other.
B Tight junctions help to stop substances from leaking across a tissue.
C Tight junctions help to perform cementing to keep neighbouring cells together.
D Gap junctions help to create gap between the cells and tissues.

The answer is B.

Solution

Tight junctions prevent the leakage of substances across a tissue by sealing the space between adjacent cells. (Adhering junctions cement cells together; gap junctions facilitate communication between adjacent cells by connecting cytoplasm.)

Concept Cell junctions

Cell: The Unit of Life in past papers

137 questions from this chapter have appeared across 27 exam years.