If it were possible to conduct sophisticated microscopic and chemical analyses of microfossils found in 3.2-billion-year-old stromatolites, then within such microfossils, one should be surprised to observe evidence of:

I. double-stranded DNA

II. a nuclear envelope

III. a nucleoid

IV. a nucleolus

V. nucleic acids

TLS Online TPP Program

#Question id: 16483

#Unit 12. Applied Biology

In plasma clot the explant is cultured on the surface of a clot help to to study the action of

TLS Online TPP Program

#Question id: 16484

#Unit 12. Applied Biology

One of the chief disadvantage of all plasma clot methods is that 

TLS Online TPP Program

#Question id: 16485

#Unit 12. Applied Biology

A modification of the original grid method is widely used to study the 

TLS Online TPP Program

#Question id: 16486

#Unit 12. Applied Biology

A technique which has been successfully maintaining  long term culture upto 4-5 months is

TLS Online TPP Program

#Question id: 16488

#Unit 12. Applied Biology

Advantages of organ culture are

TLS Online TPP Program

#Question id: 16489

#Unit 12. Applied Biology

The beginning of animal tissue culture can be traced when Arnold showed that