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TLS Online TPP Program

#Question id: 3781

Hershey and Chase used a DNA-based virus for their work. How might the results have been different if they had used an RNA virus?

#Unit 3. Fundamental Processes

  1. With an RNA virus, radioactive protein would have been in the final pellet.

  2. With an RNA virus, radioactive RNA would have been in the final pellet.

  3. With an RNA virus, neither sample would have had a radioactive pellet.

  4. With an RNA virus, the protein shell would have been radioactive in both samples.

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TLS Online TPP Program

#Question id: 23031

#Unit 12. Applied Biology

Which of the following portion of some xenobiotic can be traced back to a biological origin to see if these substances were produced oil, natural gas or coal?
TLS Online TPP Program

#Question id: 11986

#Unit 10. Ecological Principles

Which of the following statements is (are) true of fixed action patterns? 
TLS Online TPP Program

#Question id: 21128

#Unit 12. Applied Biology

Ethanol is produced by fermentation of various sugars by microbes such as;
I- Glucose II- Lactose III- Pentose IV- Cellulose
Microbes involve in function of sugar for the production of ethanol__
a) Candida species
b) Kluyveromyces fragilis 
c) Clostridium thermocellum
d) Saccharomyces cerevisiae
Match the correctly of  given microbes with sugar___
TLS Online TPP Program

#Question id: 4946

#Unit 11. Evolution and Behavior

Although absolute distinctions between the ʺmost evolvedʺ protobiont and the first living cell are unclear, biologists generally agree that one major difference is that the typical protobiont could not
TLS Online TPP Program

#Question id: 4467

#Unit 3. Fundamental Processes

Both polymerase removal and repair enzyme recruitment are performed by a single protein called?