Which of the following enzyme has a unique ability to introduce positive and negative supercoiling of the DNA and it is the target for antibacterial agents such as ciprofloxacin/quinolones?

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#Question id: 14291

#SCPH05 I Biotechnology

In a batch sterilization process if  overall,  heating &  cooling are 32.2, 9.8 & 10.1 respectively, THEN the holding time at 121^^o-C of the process is (given that the specific death rate (k) of microorganisms at 121^^o-C is 2.54 min-1 ):

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#Question id: 5577

#SCPH28 | Zoology

Totipotency is a term used to describe a cell's ability to give rise to a complete new organism. In plants, this means that ________.

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#Question id: 3650

#SCPH06 I Botany

Which of the following is true for the most important form of DNA damage which produces pyrimidine dimers from adjacent pyrimidine bases?

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#Question id: 4171

#SCPH28 | Zoology

Use the table below to determine which template strand DNA sequence (written in the 5ʹ → 3ʹm direction) specifies the tripeptide with the sequence gly-ala-leu.

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#Question id: 5261

#SCPH05 I Biotechnology

Which of these statements about prokaryotes is correct?