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TLS Online TPP Program

#Question id: 12089

The massive adaptive radiation of insects over the world is most likely related to the

#Unit 10. Ecological Principles
  1. Worldwide increase in species diversity in the Cambrian period 
  2. Evolution of the land flora by the middle of the Palaeozoic era 
  3. Massive extinction at the end of the Mesozoic era
  4. Human alteration of the environment in the Pleistocene epoch

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TLS Online TPP Program

#Question id: 3260

#Unit 11. Evolution and Behavior

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1 genotype is 0.04) The frequency of A2 allele is
TLS Online TPP Program

#Question id: 1106

#Unit 4. Cell Communication and Cell Signaling

Protein kinase is an enzyme that functions in which of the following ways?
TLS Online TPP Program

#Question id: 637

#Unit 1. Molecules and their Interaction Relevant to Biology

Effect of temperature on enzymatic catalysis is analysed by the rate v of a chemical reaction varies with temperature according to the Arrhenius Equation which explains the sensitivity of enzyme reactions to temperature. A plot to determination of the activation energy Ea involves
TLS Online TPP Program

#Question id: 31183

#Unit 4. Cell Communication and Cell Signaling

When a mouse retroviral DNA, the mammary tumor virus (MMTV) genome, became inserted near the Wnt-1 gene, the retrovirus LTR promoter, results: 
TLS Online TPP Program

#Question id: 5443

#Unit 8. Inheritance Biology

Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Plant height is control by 3 QTL, what is the probability of plant with 25 inch height in F2 generation?