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

TLS Online TPP Program

#Question id: 11972

#SCPH28 | Zoology

The active ingredient orlistat acts to decrease the amount of fat that is absorbed by attaching to enzymes that digest fat. Which of the following are potential targets of orlistat?

TLS Online TPP Program

#Question id: 9207

#SCPH28 | Zoology

Loss of biodiversity matters not only with regard to mammals or other vertebrates, but also microbes. Why are microbes worthy of discovery and protection from extinction?

TLS Online TPP Program

#Question id: 9573

#SCPH28 | Zoology

The energy of incident solar radiation reaching the surface of the earth declines toward the poles from its maximum in equatorial regions. One cause of this phenomenon is greater absorption of solar energy by the earth's atmosphere at high latitudes. Why is this?

TLS Online TPP Program

#Question id: 5569

#I Life Science/ Life Sciences Group – I-V

What makes sexually reproduced offspring genetically different from their parents?

TLS Online TPP Program

#Question id: 19304

#SCPH28 | Zoology

What happens to signal peptides after the protein has been translocated to the desired location, to generate the mature functional proteins