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: 5531

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

The trophoblast forms to the

TLS Online TPP Program

#Question id: 572

#SCPH28 | Zoology

Which of the following has not been shown to play a role in determining the specificity of protein kinases?

TLS Online TPP Program

#Question id: 15912

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

Match the items in Group 1 with an appropriate description in Group 2

Group 1                                                    Group 2

P. PSI-BLAST                                    1. ungapped, aligned motif

Q. CLUSTALW                                 2. Profiles

R. BLOCK                                         3. Heuristic method

S. FASTA                                           4. Multiple sequence alignment

TLS Online TPP Program

#Question id: 23190

#SCPH06 I Botany

If we want to view live cells which microscopy can be best used for this?

1. Structured illumination microscopy

2. Phase contrast microscopy

3. Scanning electron microscopy

4. Cryoelectron microscopy

Which of the following option has correct combination?

TLS Online TPP Program

#Question id: 567

#SCPH28 | Zoology

Penicillin and related drugs inhibit the enzyme; this enzyme is produced by