GATE Life Sciences

Which one of the following statements about microbiological stains is CORRECT?

The genome of which one of the following viruses encodes reverse transcriptase?

Protoplasts can be generated from

Which one of the following molecules is the master regulator of the planktonic-surface transition in Pseudomonas aeruginosa during biofilm formation?

Which one of the following is a protozoal disease?

Which one of the following drugs is a viral protease inhibitor?

In Escherichia coli, the minimum number of crossovers required between F- genome and the linear DNA transmitted by Hfr to form a viable recombinant is ________. (Answer in integer)

The decimal reduction time of Escherichia coli at a particular temperature is one minute. Assuming no bacterial growth and constant death rate, the time required for one million ba...

Which one of the following options correctly matches the microbial names in Column I with their corresponding sources of epithet in Column II? Column I (P) Klebsiella pneumoniae (Q...

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: Silver and copper display bacteriocidal or antiseptic activity. Reason [r]:...

When tryptophan level is low in Escherichia coli, the expression of tryptophan biosynthesis genes is turned on through an antiterminator stem-loop formation between

The effect of mutations in a gene at their transcriptional and translational levels were analyzed using Northern (N) and Western (W) blot techniques, respectively. The following fi...

DNA amplification in the polymerase chain reaction is

In bacteriophage lambda (λ) life cycle, binding of Cro protein to cI gene operator region

Which of the following is/are ring(s) of bacterial flagellum?

Which of the following bacteria is/are uncultivable?

Which of the following antibiotic(s) inhibit(s) bacterial protein synthesis?

Scientist(s) who contributed in disproving the theory of spontaneous generation is/are