Several hypotheses explain the existence of monogamy.

1. Mate-guarding hypothesis, a male stays with a female to protect her from being fertilized by other males.

2. The male assistance hypothesis maintains that males remain with females to help them rear their offspring.

3. The female-enforced monogamy, females stop their male partners from being polygynous.

TLS Online TPP Program

#Id: 9491

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 4456

#Unit 13. Methods in Biology

Metal shadowing- thin film of platinum is coated from a fixed angle. it provides information about the three-dimensional topology of the sample.

TLS Online TPP Program

#Id: 9165

#Unit 11. Evolution and Behavior

TLS Online TPP Program

#Id: 6467

#Unit 3. Fundamental Processes

There are five common subunits in all three RNA Polymerases

Rpb5

Rpb6

Rpb8

Rpb10

Rpb12

TLS Online TPP Program

#Id: 5286

#Unit 7. System Physiology – Animal

When the cholinergic vagal fibers to nodal tissue are stimulated, the membrane becomes hyperpolarized and the slope of the prepotentials is decreased