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TLS Online TPP Program

#Question id: 34347

Which of the following are true about the Z-value?

#XL - S Microbiology
  1. It is the temperature change required to change the D-value by a factor of 10.
  2. It reflects the thermal sensitivity of an organism.
  3. It can be determined from a plot of log D-value vs. temperature.
  4. It is independent of the type of microorganism.
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TLS Online TPP Program

#Question id: 11396

#XL - S Microbiology

Carl Woese and collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes into two domains?
TLS Online TPP Program

#Question id: 11397

#XL - S Microbiology

Which statement about the domain Archaea is false?
TLS Online TPP Program

#Question id: 11397

#XL - T Zoology

Which statement about the domain Archaea is false?
TLS Online TPP Program

#Question id: 11398

#XL - S Microbiology

Assuming that each of these possesses a cell wall, which prokaryotes should be expected to be most strongly resistant to plasmolysis in hypertonic environments?
TLS Online TPP Program

#Question id: 11400

#XL - S Microbiology

What is the primary ecological role of prokaryotes?
TLS Online TPP Program

#Question id: 11400

#XL - T Zoology

What is the primary ecological role of prokaryotes?