Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 35066
TLS Online TPP Program

#Question id: 5760

The fluctuation test of Luria and Delbruck (studying resistance to bacteriophge T1 infection) established that

#8. Inheritance Biology

  1. T1 phage was a mutagen.

  2. Mutations could arise prior to the time they were selected

  3. The mutation rate varies greatly from experiment to experiment.

  4. In E. coli the number of mutants per clone was relatively constant.

More Questions
TLS Online TPP Program

#Question id: 5754

#8. Inheritance Biology

A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication.  The mutational event caused by this mutagen will be
TLS Online TPP Program

#Question id: 23439

#Aptitude

Pointing to a woman, Abhijit said, “Her granddaughter is the only daughter of my brother.” How is the woman related to Abhijit?
TLS Online TPP Program

#Question id: 832

#1. Molecules and their Interaction Relevant to Biology

Ubiquitin-protein ligase (E3) are members of two unrelated families, those containing domain known as,
TLS Online TPP Program

#Question id: 1053

#4. Cell Communication and Cell Signaling

Phages that can either replicate and cause cell lysis or can integrate their DNA into the host DNA are called
TLS Online TPP Program

#Question id: 12671

#6. System Physiology – Plant

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,