In E.coli, the bd branch of the electron transport chain is utilized under__

#Question id: 4549

#XL - Q Biochemistry

Which of the following is the correct combination?                             

I) A- Holoenzyme, B- Core

II) A- Core, B- Holoenzyme

i. The six subunits constitute the RNA polymerase an enzyme

ii. Sigma stimulates tight binding between RNA polymerase and promote

iii. absence of sigma factor polymerase loosely bind with their promoter

Which of the following combination correct fit by follow the given graph;

#Question id: 4562

#XL - S Microbiology

Which stratum should contain the greatest proportion of extinct organisms?

#Question id: 4563

#XL - S Microbiology

If ʺxʺ indicates the location of fossils of two closely related species, then fossils of their most-recent common ancestor are most likely to occur in which stratum?

#Question id: 4564

#XL - S Microbiology

Who would have proposed that the boundaries between each stratum mark the occurrence of different localized floods?

#Question id: 4565

#XL - S Microbiology

Darwinʹs mechanism of natural selection required long time spans in order to modify species. From whom did Darwin get the concept of Earthʹs ancient age?

#Question id: 4566

#XL - S Microbiology

Which of these naturalists synthesized a concept of natural selection independently of Darwin?