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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?

#Unit 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: 376

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is
TLS Online TPP Program

#Question id: 1557

#Unit 4. Cell Communication and Cell Signaling

which one of these antibody can cross placenta?
TLS Online TPP Program

#Question id: 4914

#Unit 8. Inheritance Biology

German scientist Carl Correns found that the inheritance of variegated color on the leaves of certain plants was determined only by the maternal parent. What phenomenon explains this pattern of inheritance?
TLS Online TPP Program

#Question id: 19339

#Unit 12. Applied Biology

The troponins and myoglobins are type of biomarkers of ______ disease?
TLS Online TPP Program

#Question id: 17666

#Unit 11. Evolution and Behavior

 In the Mesozoic era, periods included;
A. Cretaceous
B. Jurassic
C. Triassic
i) Increase of dicotyledons
ii) Seeds ferns disappear
iii) Rapid development of angiosperms
iv) Spread of cycads and conifers
v) Gymnosperms declined
Find out the correct match of given period with their plants diversification events;