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TLS Online TPP Program

#Question id: 32373

Cytochalasin D,  a fungal alkaloid, depolymerizes actin filaments by:

#Unit 2. Cellular Organization
  1. Binding to the (+) end of G-actin
  2. Binding to the (+) end of F-actin
  3. Binding to the (-) end of G-actin
  4. Binding to the (-) end of F-actin
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TLS Online TPP Program

#Question id: 31351

#Unit 1. Molecules and their Interaction Relevant to Biology

Find incorrect match of the pKa's of the ionizable groups with respective amino acids
TLS Online TPP Program

#Question id: 11324

#Unit 10. Ecological Principles

Many temperate lakes develop pronounced thermal stratification during the summer months. In which zone of such lakes does temperature change most rapidly with depth?
TLS Online TPP Program

#Question id: 4250

#Unit 3. Fundamental Processes

Which of the following types of mutation, resulting in an error in the mRNA just after the AUG start of translation, is likely to have the most serious effect on the polypeptide product?
TLS Online TPP Program

#Question id: 19215

#Unit 12. Applied Biology

After the initial attachment step, A. tumefaciens produces a network of ________fibrils that bind the bacterium tightly to the plant cell surface. 
TLS Online TPP Program

#Question id: 10740

#Unit 10. Ecological Principles

Change in community structure through time is termed