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#Question id: 5239


Which of the following statements is not true for Hfr strains of E. coli ?

#8. Inheritance Biology
  1. F factor is integrated in the genome

  2. all plasmid  markers are transferred from donor to recipient

  3. They act as donors in the cross              

  4. recipient remain 


Answer:- Option(s): 2


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#Question id: 17813

#7. System Physiology – Animal

During the stress response, cortisol triggers the release of ______.

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#Question id: 17821

#13. Methods in Biology

is most frequently observed data value 

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#Question id: 17822

#13. Methods in Biology

Mode of 1,2,3,4,4,5 is  

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#Question id: 17823

#13. Methods in Biology

Mode of data 1,1,2,2,5,3,4,4 is 

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#Question id: 18006

#11. Evolution and Behavior

During which geological period origin, first forests; lands plants well established?

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#Question id: 18007

#11. Evolution and Behavior

The following geological eras mark the advent of important events in the history of earth- origin of first vertebrates armored fishes, origin of First reptiles, origin of first dinosaurs;
a) Triassic b) Pennsylvanian
c) Ordovician d) Cambrian

Identify the correct match of the events with the geological era;

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