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TLS Online TPP Program

#Question id: 14760

During the microfilament formation, the nucleation phase is marked by:

#Unit 2. Cellular Organization
  1.  Lag period in which G-actin subunits combine into an oligomer of two or three subunits
  2. Log period in which the short oligomer rapidly increases in length by the addition of actin monomers to both of its ends
  3. Lag period in which the short oligomer rapidly increases in length by the addition of actin monomers to both of its ends
  4. Log period in which G-actin subunits combine into an oligomer of two or three subunits
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TLS Online TPP Program

#Question id: 24283

#Unit 4. Cell Communication and Cell Signaling

Which type of cell junction is found in plants? 
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