Physical attachment between cells and extracellular matrix is critical in both animals and plants because it imparts rigidity and strength to tissues and organs. However, junctions between cell‐cell or between cell‐matrix are diverse in structure and play roles beyond providing physical support. Column “X” lists some of the cell junctions and column “Y” lists their characteristic functions
|
Column X |
Column Y |
||
|
A. |
Tight Junctions |
i. |
connect intermediate filaments in one cell to those in the next cell |
|
B. |
Gap junctions |
ii. |
seal gaps between epithelial cells. |
|
C. |
Plasmodesmata |
iii. |
allow passage of small water-soluble molecules from cell to cell in animal tissues |
|
D. |
Desmosomes |
iv. |
allows passage of small molecules but not macromolecules (with some exceptions) in plants. |
Select the option with all correct matches.
1
A – i; B – ii; C – iv; D – iii
2
A – ii; B – iii; C – iv; D – i
3
A – iii; B – iv; C – i; D – ii
4
A – iv; B – i; C – ii; D – iii
5
Question Not Attempted