Some of the following statement are given regarding MoFe protein

(a) 2 pairs of identical subunits (tetramer, nif D & nif K)

(b) A total of MW 180 ~ 235kD

(c) Each subunit has 2 Mo-Fe-S clusters.

(d) MoFe proteins are insensitive to O₂

Which of the following is incorrect

TLS Online TPP Program

#Question id: 24284

#Unit 4. Cell Communication and Cell Signaling

All are the types of anchoring junctions that are present in animal cells, EXCEPT

TLS Online TPP Program

#Question id: 24285

#Unit 4. Cell Communication and Cell Signaling

Adherens junctions: 

TLS Online TPP Program

#Question id: 24286

#Unit 4. Cell Communication and Cell Signaling

Identify the correct matching by taking one item from each column

Column-I;  Anchoring junctions	Column-II;  Adhesion type	Column-III;  Cytoskeletal attachment
a. Desmosomes	1. Cell-cell	P. Intermediate filaments
b. Adherens junctions	2. Cell-matrix	Q. Actin filaments
c. Hemidesmosomes
d. Focal adhesions

TLS Online TPP Program

#Question id: 24287

#Unit 4. Cell Communication and Cell Signaling

What are the key components of desmosomes?

a. Claudin

b. Desmocollin

c. Occludin

d. Desmoglein

Choose the correct combinations.

TLS Online TPP Program

#Question id: 24288

#Unit 4. Cell Communication and Cell Signaling

Select the CORRECT combination by matching the junctions with their functions.

Anchoring junctions	Functions
1. Desmosomes	a. Strength, durability, signalling
2. Adherents junctions	b. Shape, tension, signalling, force transmission
3. Hemidesmosomes	c. Shape, rigidity, signalling
4. Focal adhesions	d. Shape, signalling, force transmission, cell movement

TLS Online TPP Program

#Question id: 24325

#Unit 4. Cell Communication and Cell Signaling

The principal ECM adhesion receptor in epithelial hemidesmosomes is;