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TLS Online TPP Program

#Question id: 2455

Cofilin:

#Unit 2. Cellular Organization

  1. cleaves actin by binding the ATP-actin in the filament.

  2. cleaves actin by twisting adjacent F-actin monomers in the filament.

  3. recruits G-actin monomers to the elongating F-actin microfilament.

  4. promotes exchange of ADP for ATP on G actin.

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TLS Online TPP Program

#Question id: 8927

#Unit 9. Diversity of Life Forms

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that
TLS Online TPP Program

#Question id: 1567

#Unit 4. Cell Communication and Cell Signaling

Which of the following cell types are responsible for initiating a secondary immune response?
TLS Online TPP Program

#Question id: 7192

#Unit 5. Developmental Biology

The following are statements regarding the development and maintenance of anterior and posterior compartments in each segment of Drosophila. Which of the following is correct?
TLS Online TPP Program

#Question id: 23697

#Unit 13. Methods in Biology

A researcher needs to clone a sequence of part of a eukaryotic genome in order to express the sequence and to modify the polypeptide product. She would be able to satisfy these requirements by using which of the following vectors?
TLS Online TPP Program

#Question id: 15608

#Unit 12. Applied Biology

Melanins are light-absorbing biopolymers useful as topical sunscreens, sunlight-protective coatings for plastics, etc. Which gene is used for producing melanin.