Which of the following statements is (are) true of actin assembly?

a. ADP-actin can assemble into filaments.    

b. Actin (+) ends grow faster than actin (-) ends.

c. ATP-actin can assemble into filaments.

d. Toxins that alter the assembly of actin filaments have been used as tools to study actin in living cells.

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#Question id: 15454

#Unit 4. Cell Communication and Cell Signaling

B cells migrate to the lymphoid follicles, they are directed by chemokine interaction_________, which is secreted by follicular dendritic cells (FDCs)

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#Question id: 1600

#Unit 4. Cell Communication and Cell Signaling

What is the name of MHC in humans?

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#Question id: 10420

#Unit 6. System Physiology – Plant

 A toggle model has been proposed for phytochrome interconversion, according to this model which option is correct?

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#Question id: 2266

#Unit 2. Cellular Organization

In bacteria, some of the functions of eukaryotic cells are performed

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#Question id: 33985

#Unit 2. Cellular Organization

To analyze existing MARs that are bound to the matrix in vivo, what is correct order of method 

A. Chromosomal loops decondensed by extracting the chromatin proteins. 

B. Removal of the DNA loops by treatment with restriction nucleases

C. Amplification of MAR and sequencing