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TLS Online TPP Program

#Question id: 3867

RNA polymerase from E. coli (core enzyme alone) has all of the following properties except that it:

#Unit 3. Fundamental Processes

  1. can extend an RNA chain and initiate a new chain.

  2. is required for the synthesis of mRNA, rRNA, and tRNA in E. coli.

  3. produces an RNA polymer that begins with a 5'-triphosphate.

  4. recognizes specific start signals in DNA.

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TLS Online TPP Program

#Question id: 15459

#Unit 2. Cellular Organization

In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the
TLS Online TPP Program

#Question id: 15458

#Unit 2. Cellular Organization

In nature, bacteria
TLS Online TPP Program

#Question id: 15310

#Unit 2. Cellular Organization

Organisms such as Escherichia, Enterococcus, Saccharomyces cerevisiae does not require O2 for growth, but grows better in its presence. Such organisms are termed as
TLS Online TPP Program

#Question id: 15265

#Unit 2. Cellular Organization

The growth of microorganisms in a food product is influenced by the availability of
TLS Online TPP Program

#Question id: 15264

#Unit 2. Cellular Organization

What chemical can be used to deplete the oxygen present in the culture medium
TLS Online TPP Program

#Question id: 15263

#Unit 2. Cellular Organization

Pure colonies also can be obtained from