Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 3672
TLS Online TPP Program

#Question id: 3885

AZT (3'-azido-2',3'-dideoxythymidine), used to treat HIV infection, acts in HIV-infected cells by:

#Unit 3. Fundamental Processes

  1. blocking ATP production.

  2. blocking deoxynucleotide synthesis.

  3. inhibiting reverse transcriptase.

  4. inhibiting RNA polymerase II.

More Questions
TLS Online TPP Program

#Question id: 12884

#General Aptitude

The length, breadth and height of a room is 5m, 4m and 3m respectively. Find the length of the largest bamboo that can be kept inside the room.
TLS Online TPP Program

#Question id: 23781

#Unit 7. System Physiology – Animal

Rhodopsin is comprised of 
a. An ketone of vitamin A
b. Opsin protein (GPCR)
c. An aldehyde of vitamin A
d. Retinal
TLS Online TPP Program

#Question id: 10270

#Unit 8. Inheritance Biology

Mendel crossed tall pea plants with dwarf ones. The F1 plants were all tall. When these F1 plants were selfed to produce F2 generation, he got a 3: 1 tall to dwarf ratio in the offspring. What is the probability that out of three plants (of F2 generation) picked up at random all three would be dwarf?
TLS Online TPP Program

#Question id: 21138

#Unit 12. Applied Biology

Secondary metabolites production takes place in which phase of the bacterial growth curve?
TLS Online TPP Program

#Question id: 31416

#Unit 4. Cell Communication and Cell Signaling

The abnormal activation of the PI 3-kinase/Akt/mTOR pathway, which normally occurs early in the process of tumor progression, helps to explain the excessive rate of glycolysis that is observed in tumor cells, known as: