While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)

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#Question id: 31099

#Unit 2. Cellular Organization

During actin polymerization In vitro, if the concentration of actin monomers declines, the system approaches which of the following state? 

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#Question id: 14839

#Unit 5. Developmental Biology

Given are certain facts which define ‘specification’ of a developing embryo.

 A. At the specification stage, commitment to cell identity is labile.

 B. At the specification stage, cell is capable of differentiating autonomously.

 C. The cell “knows” very early what it is to become without interacting with other cells.

 D. A phase where inductive signals trigger cell to determines their fate.

 Which of the above statements best define specification?

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#Question id: 6578

#General Aptitude

Find the term which does not fit into the series : 1CV, 5FU, 9IT , 15LS, 17OR

TLS Online TPP Program

#Question id: 27504

#Unit 2. Cellular Organization

Which kind of catalysis are used by the topoisomerases

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#Question id: 4019

#Unit 3. Fundamental Processes

Which of the following proteins does not “footprint” the lac operon control region?