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TLS Online TPP Program

#Question id: 3864

RNA polymerase:

#Unit 3. Fundamental Processes

  1. binds tightly to a region of DNA thousands of base pairs away from the DNA to be transcribed.

  2. can synthesize RNA chains de novo (without a primer).

  3. has a subunit called lambda, which acts as a proofreading ribonuclease.

  4. separates DNA strands throughout a long region of DNA (up to thousands of base pairs), then copies one of them.

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TLS Online TPP Program

#Question id: 3658

#Unit 3. Fundamental Processes

In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.
TLS Online TPP Program

#Question id: 11555

#Unit 7. System Physiology – Animal

Nitric oxide and epinephrine ________.
TLS Online TPP Program

#Question id: 23522

#General Aptitude

Biosphere Reserves are also notified as
TLS Online TPP Program

#Question id: 1081

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a type of local signaling in which a cell secretes a signal molecule that affects neighboring cells?
TLS Online TPP Program

#Question id: 11002

#Unit 7. System Physiology – Animal

A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end diastolic volume?