A new chemical pesticide developed for agricultural use was subjected to the Ames test. The rate of mutation seen in samples treated with the pesticide and liver extract was approximately half that of the samples treated with the liver extract alone; in samples treated with only pesticide, the mutation rate was about the same as that of untreated samples. Which of the following statements could you make about this pesticide?

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#Question id: 27036

#Unit 10. Ecological Principles

Mafia hypothesis based on

a) Taking food by theft

b) destroying all eggs of their host’s nests

c) Changing color of host making more susceptible to being eaten

TLS Online TPP Program

#Question id: 24574

#Unit 10. Ecological Principles

If number of birds in the population N0= 100 next year ecologists count 110 birds in the same population, consider a population of birds growing at a rate of 5% per year. After 5 years how many birds would there be?

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#Question id: 5193

#General Aptitude

Find the least value of n for which 3 + 32 + …. + 3ⁿ > 10³

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#Question id: 6593

#General Aptitude

31	17	58	87
68	19	61	56
91	22	70	50
10	142	11	?

TLS Online TPP Program

#Question id: 2218

#Unit 2. Cellular Organization

Human alkaline phosphatase protein is attached to the plasma membrane by a GPI anchor. In an experiment you treat cells with each of the following enzymes and find one of them inhibits the activity of the protein because it releases it into the extracellular matrix. Which specific enzyme led you to conclude that this anchor on alkaline phosphatase was both necessary and sufficient for binding the protein to the membrane where it can perform its normal activity?