Nitrogenase enzyme complex catalyzes the molecular nitrogen fixation, this enzyme not only fixes nitrogen but also perform other reactions given below. Which one is not performed by nitrogenase?

TLS Online TPP Program

#Question id: 2819

#Environmental Science

A typical eukaryotic gene consists of which of the following elements?

a. internal ribosome binding sites       b. introns         c. exons            d. enhancers

TLS Online TPP Program

#Question id: 2825

#Environmental Science

Metaphase chromosomes can be identified

a. by shape.                 

b. by the size and number of introns.

c. by banding patterns with Giemsa reagent.

d. by chromosome painting.

TLS Online TPP Program

#Question id: 13032

#Environmental Science

In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to

TLS Online TPP Program

#Question id: 13035

#Environmental Science

Each band on the gel represents a different protein (or protein subunit); _____ proteins move through the gel more _____ than_____ proteins and therefore are found nearer the _____ of the gel.

TLS Online TPP Program

#Question id: 13036

#Environmental Science

In isoelectric focusing the protein will move until

TLS Online TPP Program

#Question id: 13037

#Environmental Science

Which of the following proteins will be most far away from the positively charged electrode during isoelectric focusing in a buffer with pH of 5?