During DNA isolation, phenol / chloroform extraction is performed to remove

TLS Online TPP Program

#Question id: 7574

#General Aptitude

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:

TLS Online TPP Program

#Question id: 2948

#Unit 2. Cellular Organization

A cell that is entering the M phase of the cell cycle is:

TLS Online TPP Program

#Question id: 23563

#Unit 13. Methods in Biology

________ is the direct uptake of foreign DNA by a host cell.

TLS Online TPP Program

#Question id: 11548

#Unit 7. System Physiology – Animal

If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains cells that secrete a chemical signal that somehow stimulates appetite. Given this scenario, what type of chemical signaling is occurring?

TLS Online TPP Program

#Question id: 944

#Unit 1. Molecules and their Interaction Relevant to Biology

Because they lack aspartate kinase and aspartate semialdehyde dehydrogenase, ________ cannot synthesize lysine, methionine or threonine.