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TLS Online TPP Program

#Question id: 4024

All of the following statements about the essential carboxy terminal domain (CTD) of RNA polymerase are true except:

#Unit 3. Fundamental Processes

  1. The CTD is present in RNA polymerase I, II, and III.

  2. The CTD can become phosphorylated.

  3. The CTD is critical for viability.

  4. The CTD of mammals contains more than 50 repeats of a heptapeptide.

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TLS Online TPP Program

#Question id: 11398

#Unit 9. Diversity of Life Forms

Assuming that each of these possesses a cell wall, which prokaryotes should be expected to be most strongly resistant to plasmolysis in hypertonic environments?
TLS Online TPP Program

#Question id: 14488

#Unit 13. Methods in Biology

A man and his wife appear for an interview for two posts. The probability of the husband's selection is 1/7 and that of the wife’s selection is 1/5. The probability that only one of them will be selected is
TLS Online TPP Program

#Question id: 2440

#Unit 2. Cellular Organization

Microtubule assembly in vitro requires

a. ATP.                                                           

b. a threshold (critical) concentration of tubulin.

c. warming the solution to 37°C.                   

d. microtubule-associated proteins.         

e. GTP.
TLS Online TPP Program

#Question id: 272

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which is not a biological function of RNA?
TLS Online TPP Program

#Question id: 32373

#Unit 2. Cellular Organization

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