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TLS Online TPP Program

#Question id: 4634

Which of the following represents an idea that Darwin learned from the writings of Thomas Malthus?

#Unit 11. Evolution and Behavior

  1. All species are fixed in the form in which they are created.

  2. Populations tend to increase at a faster rate than their food supply normally allows.

  3. Earth changed over the years through a series of catastrophic upheavals.

  4. The environment is responsible for natural selection.

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TLS Online TPP Program

#Question id: 5924

#General Aptitude

The calendar for the year 2008 will be the same for the year : 
TLS Online TPP Program

#Question id: 4020

#Unit 3. Fundamental Processes

You are studying the expression of the gene that appears to be under the control of three different transcription-control regions during mouse embryonic development. Which one of the following is the BEST method to use to determine when each of these regions are active in the developing mouse embryo?
TLS Online TPP Program

#Question id: 9260

#Unit 9. Diversity of Life Forms

Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?
TLS Online TPP Program

#Question id: 16498

#Unit 12. Applied Biology

Chromosomal gene of agrobacterium needed for an optimal expression of vir genes of pTi
TLS Online TPP Program

#Question id: 18982

#Unit 13. Methods in Biology

A number of convenient vector systems that incorporate both transcriptional and translational signals for the expression of cloned eukaryotic genes in E. coli have been developed. One such system is called expression vector is