TLS Online TPP Program

#Id: 7822

#Unit 10. Ecological Principles

Glycoproteins can permit some invertebrates to withstand temperatures as low as –18°C without freezing. 

Antarctic fish also have glycoproteins in their blood and some species accumulate sodium, potassium, or chloride ions or urea, all of which lower the blood freezing point.

TLS Online TPP Program

#Id: 2004

#Unit 8. Inheritance Biology

The color of our hair is caused largely by a pigment called melanin

a. Eumelanin-black or brown

b. Pheomelanin-red or yellow

TLS Online TPP Program

#Id: 9558

#Unit 11. Evolution and Behavior

Orthogenesis - “Straight-line evolution,” held that the variation that arises is directed toward fixed goals.

So that a species evolves in a predetermined direction by some kind of internal drive, without the aid of natural selection.

TLS Online TPP Program

#Id: 7046

#Unit 11. Evolution and Behavior

Ronald A. Fisher, John B. S. Haldane and Sewall Wright- which showed that mutation and natural selection together cause adaptive evolution.

TLS Online TPP Program

#Id: 2271

#Unit 3. Fundamental Processes

Sigma factors of E.Coli