TLS Online TPP Program

#Question id: 32339


When the profilin–actin complex binds a free plus end, a conformational change in actin: 

#Unit 2. Cellular Organization
  1. Reduces its affinity for profilin 
  2. Increases its affinity for profilin 
  3. Reduces its affinity for actin
  4. Increases its affinity for D form polymer
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TLS Online TPP Program

#Question id: 11910

#Unit 10. Ecological Principles

During succession species that colonize in early seral stages tend to have different life-history characteristics than those that colonize in later seral stages ;

A) Early seral stage in succession

B) Late seral stage in succession

 i) Good seed dispersal ability

ii) Lower plant efficiency in low light

iii) Seed dispersal  by animal

iv) Slower the resource acquisition

v) Found large biomass

vi) Seed longevity is long type

Which of the following is the correct prediction about early and the late successional seral stage?

TLS Online TPP Program

#Question id: 3837

#Unit 3. Fundamental Processes

How does the enzyme telomerase meet the challenge of replicating the ends of linear chromosomes?

TLS Online TPP Program

#Question id: 23251

#Unit 13. Methods in Biology

Which enzyme degrades the resulting component dNTPs and ATP if not incorporated in chain.

TLS Online TPP Program

#Question id: 1502

#Unit 4. Cell Communication and Cell Signaling

The textbook states that cells of patients with adenomatous polyposis coli (APC) “contain a deletion of a small portion of chromosome #5, which was subsequently identified as the site of a tumor-suppressor gene called APC.” In which cells of these patients would you expect to find this chromosomal deletion?

TLS Online TPP Program

#Question id: 23568

#Unit 8. Inheritance Biology

Match the following types of chromosomal rearrangements;

 

            COLUMN I

 

           COLUMN II

 

A) Tandem duplication

 

i) duplicated segment is located some distance from the original segment, either on the same chromosome or on a different one

 

B) Displaced duplication

 

ii) duplication can be in the same orientation as that of the original sequence

 

C) Inverted duplication

 

iii) the duplicated region is immediately adjacent to the original segment

 

D) Reverse duplication

 

 

iv)  duplication same as the reverse

Which of the following statements is correct?