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TLS Online TPP Program

#Question id: 9178

A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?

#9. Diversity of Life Forms
  1. The high water flow would make the fish expend more energy.
  2. The low oxygen content would give the fish difficulty in swimming aerobically.
  3. The temperature change would stress the fish by denaturing its proteins.
  4. The change in water solute content would challenge the osmotic balance of the fish.
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TLS Online TPP Program

#Question id: 3525

#8. Inheritance Biology

In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype was crossed with rrtt plant results progeny, are
TLS Online TPP Program

#Question id: 1402

#4. Cell Communication and Cell Signaling

Which of the following oncoproteins possess(es) protein kinase activity?
TLS Online TPP Program

#Question id: 2273

#2. Cellular Organization

The bacterial cell wall is composed of
TLS Online TPP Program

#Question id: 15605

#12. Applied Biology

The uptake of plasmid DNA into Streptomyces protoplasts is enhanced by 
TLS Online TPP Program

#Question id: 10884

#10. Ecological Principles

Herbivore ingests plant material with 1000 k j energy form producer and 300 kJ loss as feces waste; additionally herbivore invests 300 k j energy in respiration. What is production efficiency of that herbivore?