Which of the following obtain energy by oxidizing inorganic substances; energy that is used, in part, to fix CO2?

TLS Online TPP Program

#Question id: 4163

#XL - T Zoology

The net effect of all amino acid tRNA synthetases binding to a tRNA is to position the __ of tRNA in the active site.

TLS Online TPP Program

#Question id: 4977

#XL - S Microbiology

There are at least a dozen known species in the extinct genus Lystrosaurus. If each species was suited to a quite different environment, then this relatively large number of species is likely due to

TLS Online TPP Program

#Question id: 19522

#XL - P Chemistry

In a fuel cell, which of the following can be utilized as a fuel?

TLS Online TPP Program

#Question id: 3060

#XL - S Microbiology

A bacteria having doubling time of 1 minute, fills a cylindrical vessel completely in 3 hours. How much time will it take to fill half of the vessel?

TLS Online TPP Program

#Question id: 17282

#XL - R Botany

Which of the following is a land plant that produces flagellated sperm and has a sporophyte-dominated life cycle?