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TLS Online TPP Program

#Question id: 5760

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

#Unit 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.

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TLS Online TPP Program

#Question id: 12335

#Unit 10. Ecological Principles

How does the foraging of animals on tree seeds affect the distribution and abundance of the trees? This question
TLS Online TPP Program

#Question id: 23526

#Unit 1. Molecules and their Interaction Relevant to Biology

An ecological community is an assemblage of
TLS Online TPP Program

#Question id: 3628

#Unit 8. Inheritance Biology

Two mutant plants, both bearing white flowers, were crossed. All F1 plants had red colored flowers. Which one of the following conclusions is correct?
TLS Online TPP Program

#Question id: 19210

#Unit 12. Applied Biology

For the detection of bacteria which is best used enzyme in biosensor
TLS Online TPP Program

#Question id: 786

#Unit 1. Molecules and their Interaction Relevant to Biology

A = 27%                    G = 30%   T = 21%              C = 22%

If the genome of a newly isolated virus displays the base composition above, the virus most likely consists of ______.