In  the  territorial  behavior  of  the  stickleback  fish,  the  red  belly  of  one  male  elicits  attack  from  another  male  by functioning as

#Question id: 10345

#Unit 6. System Physiology – Plant

In Leaf Chloroplasts and root plastids contain different forms of the enzyme, nitrite reductase such as

a) Roots contain fd-dependent nitrite reductase

b) Shoots contain NADPH dependent nitrite reductase

c) Shoots contain fd-dependent nitrite reductase

d) Roots contain NADPH dependent nitrite reductase

Which one of the following is correct combination?

#Question id: 11969

#Unit 7. System Physiology – Animal

#Question id: 10824

#Unit 10. Ecological Principles

Interspecific competition has been demonstrated experimentally in

#Question id: 1086

#Unit 4. Cell Communication and Cell Signaling

What is the most likely mechanism by which testosterone functions inside a cell?

#Question id: 4965

#Unit 11. Evolution and Behavior

What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?

1.  origin of mitochondria

2.  origin of multicellular eukaryotes

3.  origin of chloroplasts

4.  origin of cyanobacteria

5.  origin of fungal-plant symbioses