TLS Online TPP Program

#Question id: 28976


ACTH stimulates the synthesis and secretion of cortisol by the activation of which of the following receptors?

#Unit 7. System Physiology – Animal
  1. adenylyl cyclase via Gαi

  2. adenylyl cyclase via Gαq
  3. adenylyl cyclase via Gαs

  4. adenylyl cyclase via Gαo
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TLS Online TPP Program

#Question id: 3450

#Unit 11. Evolution and Behavior

This behavior, in which individual members of a species maintain exclusive use of an area that contains some limiting resource, such as foraging ground, food, or potential mates, is called

TLS Online TPP Program

#Question id: 3451

#Unit 11. Evolution and Behavior

Individual A can derive fitness benefit of 220 units by helping Individual B, but incurs a fitness cost of 50 units in doing so following Hamilton’s rule, which of the following relation is not apply for altruism?

TLS Online TPP Program

#Question id: 3452

#Unit 11. Evolution and Behavior

Which of the following is advantage of group living?

TLS Online TPP Program

#Question id: 3453

#Unit 11. Evolution and Behavior

The degree of genetic relatedness between the offspring and their parents is

TLS Online TPP Program

#Question id: 3454

#Unit 11. Evolution and Behavior

Altruism is favoured when rb - c > 0 where c is fitness cost to altruist, b is fitness benefit to recipient; and r is genetic relatedness. It is under negative selection when

TLS Online TPP Program

#Question id: 3455

#Unit 11. Evolution and Behavior

A duck egg is removed from its mother’s nest and incubated by a barnyard hen. The duckling hatches out in the presence of the barnyard hen and stays in her nest. After a couple of days, the duckling is presented with a choice between its biological mother and the hen that incubated it. The duckling approaches and follows the hen. This set of observations demonstrates the phenomenon of