TLS Online TPP Program

#Question id: 3939


When used to describe the RNA polymerases, the term “processive” refers to:

#Unit 3. Fundamental Processes
  1. the ability to recognize and bind to a promoter region.

  2. the ability to remain attached to DNA and form long RNAs.

  3. the ability to add nucleotide triphosphates to a growing RNA chain.

  4. all of the above.

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TLS Online TPP Program

#Question id: 12539

#Unit 10. Ecological Principles

Human-induced modifications of the nitrogen cycle can result in

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#Question id: 28380

#Unit 5. Developmental Biology

The homologue of β-catenin in Drosophila is___

TLS Online TPP Program

#Question id: 19101

#Unit 6. System Physiology – Plant

which are specialized bacteria that are obligate parasites of the phloem tissue?

TLS Online TPP Program

#Question id: 4341

#Unit 3. Fundamental Processes

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the promoter for the lac operon to the region between the beta galactosidase (lacZ) gene and the permease (lacY) gene, which of the following results would be most likely?

TLS Online TPP Program

#Question id: 3629

#Unit 8. Inheritance Biology

Complementation test for four different mutant phenotype 1, 2 , 3 and  4 were allowed and detect phenotype given table

Pair of mutant                                         phenotype

1 & 4                                                         wild                             

1 & 3                                                         wild

2 & 3                                                         wild  

2 & 4                                                         mutant

What are number of citron that four mutant were belong